80		The Ambushers (Action, Comedy, Sci-Fi, 1967)
73		Murderers' Row (Action, Adventure, Comedy, Sci-Fi, 1966)
68		In Like Flint (Action, Adventure, Comedy, Sci-Fi, 1967)
65		Evolution (Comedy, Sci-Fi, 2001)
56		Escape from the Planet of the Apes (Action, Sci-Fi, 1971)
55		Airplane II: The Sequel (Comedy, Sci-Fi, 1982)
55		Radar Men from the Moon (Action, Sci-Fi, 1952)
54		Have Rocket -- Will Travel (Comedy, Sci-Fi, 1959)
53		Way... Way Out (Comedy, Sci-Fi, 1966)
52		The Mouse on the Moon (Comedy, Romance, Sci-Fi, 1963)
50		Mystery Science Theater 3000: The Movie (Comedy, Sci-Fi, 1996)
45		50,000 B.C. (Before Clothing) (Comedy, Sci-Fi, 1963)
45		The Three Stooges in Orbit (Comedy, Sci-Fi, 1962)
45		Buck Rogers (Romance, Sci-Fi, 1977)
44		Kiss Me Quick! (Comedy, Sci-Fi, 1964)
44		Back to the Future (Adventure, Comedy, Sci-Fi, 1985)
44		Dr. Goldfoot and the Bikini Machine (Comedy, Sci-Fi, 1965)
44		Visit to a Small Planet (Comedy, Sci-Fi, 1960)
44		The 30 Foot Bride of Candy Rock (Comedy, Sci-Fi, 1959)
44		Captain America (Action, Adventure, Sci-Fi, 1944)
44		The Chronicles of Riddick (Action, Adventure, Sci-Fi, 2004)
43		Totò nella luna (Comedy, Sci-Fi, 1958)
43		The Day the Fish Came Out (Comedy, Sci-Fi, 1967)
42		2069 A.D. (Comedy, Sci-Fi, 1969)
42		Journey to the Far Side of the Sun (Sci-Fi, 1969)
42		The Noble Experiment (Comedy, Sci-Fi, 1955)
42		Hello Down There (Comedy, Sci-Fi, 1969)
42		The Bed Sitting Room (Comedy, Sci-Fi, 1969)
42		The Monitors (Comedy, Sci-Fi, 1969)
42		Henry's Night In (Comedy, Sci-Fi, 1969)
42		Earth vs. the Flying Saucers (Action, Sci-Fi, 1956)
42		The Invisible Woman (Comedy, Romance, Sci-Fi, 1940)
41		The Atomic Kid (Comedy, Sci-Fi, 1954)
41		Dr. Dildo's Secret (Comedy, Sci-Fi, 1970)
41		Crimes of the Future (Comedy, Sci-Fi, 1970)
41		The Twonky (Comedy, Sci-Fi, 1953)
41		Tobor the Great (Sci-Fi, 1954)
41		Child's Play (Comedy, Sci-Fi, 1954)
40		Mutant on the Bounty (Comedy, Sci-Fi, 1989)
40		Terminal City Ricochet (Comedy, Sci-Fi, 1990)
40		The Last Dudes on Earth (Comedy, Sci-Fi, 2005)
40		The Spirit of '76 (Comedy, Sci-Fi, 1990)
40		Meet the Applegates (Comedy, Sci-Fi, 1990)
40		I epithesi tou gigantiaiou mousaka (Comedy, Sci-Fi, 1999)
40		Hyperspace (Sci-Fi, Comedy, 1984)
40		Night of the Alien (Comedy, Sci-Fi, 2011)
40		Evil Alien Conquerors (Comedy, Sci-Fi, 2003)
40		The Reluctant Astronaut (Comedy, Family, Sci-Fi, 1967)
40		Wooly Booly: Ang classmate kong alien (Comedy, Sci-Fi, 1989)
40		Superstarlet A.D. (Comedy, Sci-Fi, 2000)
40		The Killer Robots and the Battle for the Cosmic Potato (Comedy, Sci-Fi, 2009)
40		Hot Tub Time Machine (Comedy, Sci-Fi, 2010)
40		When London Sleeps It Came Alive (Comedy, Sci-Fi, 2010)
40		Robodoc (Comedy, Sci-Fi, 2009)
40		Phil the Alien (Comedy, Sci-Fi, 2004)
40		What Planet Are You From? (Comedy, Sci-Fi, 2000)
40		Final Flesh (Comedy, Sci-Fi, 2009)
40		Monsters vs. Aliens (Animation, Action, Adventure, Sci-Fi, 2009)
40		Heartbeeps (Sci-Fi, Comedy, 1981)
40		Target Audience 9.1 (Comedy, Sci-Fi, 2007)
40		Godzilla 2001 (Comedy, Sci-Fi, 2001)
40		Britannia Hospital (Comedy, Sci-Fi, 1982)
40		Caveman (Comedy, Sci-Fi, 1981)
40		The Incredible Shrinking Woman (Comedy, Sci-Fi, 1981)
40		Simon (Comedy, Sci-Fi, 1980)
40		Mock Up on Mu (Comedy, Sci-Fi, 2008)
40		Amazon Women on the Moon (Comedy, Sci-Fi, 1987)
40		Uchuujin from Outer Space (Comedy, Sci-Fi, 2007)
40		The Invisible Kid (Comedy, Sci-Fi, 1988)
40		What's Up, Hideous Sun Demon (Comedy, Sci-Fi, 1983)
40		Alien Autopsy (Comedy, Sci-Fi, 2006)
40		The Brother from Another Planet (Comedy, Sci-Fi, 1984)
40		I'll Believe You (Comedy, Sci-Fi, 2006)
40		Xing ji dun tai (Sci-Fi, Comedy, 1983)
40		Repli-Kate (Comedy, Sci-Fi, 2002)
40		I Was a Zombie for the F.B.I. (Comedy, Sci-Fi, 1982)
40		Illegal Alien (Comedy, Sci-Fi, 1982)
40		Morons from Outer Space (Comedy, Sci-Fi, 1985)
40		Spaced Out (Comedy, Sci-Fi, 1979)
40		Sleeper (Comedy, Sci-Fi, 1973)
40		Frequently Asked Questions About Time Travel (Comedy, Sci-Fi, 2009)
40		Dark Star (Comedy, Sci-Fi, 1974)
40		Invasion: Stanford 1991 A.D. (Comedy, Sci-Fi, 1990)
40		Hell's Belles (Comedy, Sci-Fi, 1995)
40		Conquest of the Planet of the Apes (Action, Sci-Fi, 1972)
40		Cyxork 7 (Comedy, Sci-Fi, 2006)
40		The Thing with Two Heads (Comedy, Sci-Fi, 1972)
40		Flesh Gordon (Comedy, Sci-Fi, 1974)
40		Hank, Aaron and the Alien from Outer Space (Comedy, Sci-Fi, 2009)
40		Norman's Awesome Experience (Comedy, Sci-Fi, 1988)
40		Very Close Encounters of the Fourth Kind (Comedy, Sci-Fi, 1978)
40		As Time Goes by (Comedy, Sci-Fi, 1988)
40		The Animal (Comedy, Sci-Fi, 2001)
40		Horror in the Wind (Comedy, Sci-Fi, 2008)
40		It Came from Somewhere Else (Comedy, Sci-Fi, 1988)
40		The Sexplorer (Comedy, Sci-Fi, 1975)
40		2076 Olympiad (Comedy, Sci-Fi, 1977)
40		Alien Sex Party (Comedy, Sci-Fi, 2003)
40		Transolar Galactica (Comedy, Sci-Fi, 2011)
40		Space Milkshake (Comedy, Sci-Fi, 2012)
40		End of Days, Inc. (Comedy, Sci-Fi, 2015)
40		The Trouble with Dick (Comedy, Sci-Fi, 1986)
40		Absolutely Anything (Comedy, Sci-Fi, 2015)
40		Tribulation 99: Alien Anomalies Under America (Comedy, Sci-Fi, 1992)
40		The Roly Poly Man (Comedy, Sci-Fi, 1994)
40		The Search for Simon (Comedy, Sci-Fi, 2013)
40		Rock Jocks (Comedy, Sci-Fi, 2012)
40		Freaked (Comedy, Sci-Fi, 1993)
40		Orgazmo (Comedy, Sci-Fi, 1997)
40		The American Way (Comedy, Sci-Fi, 1986)
40		Gargaroth (Comedy, Sci-Fi, 2004)
40		From Other Worlds (Comedy, Sci-Fi, 2004)
40		Space Case (Comedy, Sci-Fi, 1992)
40		Hot Tub Time Machine 2 (Comedy, Sci-Fi, 2015)
40		Revenge of the Bimbot Zombie Killers (Comedy, Sci-Fi, 2014)
40		Atop the Fourth Wall: The Movie (Comedy, Sci-Fi, 2015)
40		Eat and Run (Comedy, Sci-Fi, 1987)
40		Probable Robot (Comedy, Sci-Fi, 2015)
40		Time Flies (Comedy, Sci-Fi, 1944)
40		Walkin' on Sunshine: The Movie (Comedy, Sci-Fi, 1997)
40		Coneheads (Comedy, Sci-Fi, 1993)
40		Virtue (Comedy, Sci-Fi, 1999)
40		The Mating Habits of the Earthbound Human (Comedy, Sci-Fi, 1999)
40		Serena the Sexplorer (Comedy, Sci-Fi, 2013)
40		Her Husband's Affairs (Comedy, Sci-Fi, 1947)
40		Plan 10 from Outer Space (Comedy, Sci-Fi, 1995)
40		The Revenge of the Teenage Vixens from Outer Space (Comedy, Sci-Fi, 1985)
40		Mister Drake's Duck (Sci-Fi, Comedy, 1951)
40		Niagaravation (Comedy, Sci-Fi, 1995)
40		Folklore (Comedy, Sci-Fi, 2012)
40		The Perfect Woman (Comedy, Sci-Fi, 1949)
40		UFOria (Comedy, Sci-Fi, 1985)
40		U.F.O. (Comedy, Sci-Fi, 1993)
39		Star Trek: The Motion Picture (Adventure, Mystery, Sci-Fi, 1979)
39		Armageddon (Action, Adventure, Sci-Fi, 1998)
39		The Spy Who Loved Me (Action, Adventure, Sci-Fi, 1977)
38		Le grand tout (Comedy, Drama, Sci-Fi, 2016)
37		The Troops & Aliens (Comedy, Crime, Sci-Fi, 1979)
37		The American Astronaut (Musical, Comedy, Sci-Fi, 2001)
36		Guardians of the Galaxy (Action, Adventure, Sci-Fi, 2014)
35		Starman (Romance, Sci-Fi, 1984)
35		Flash Gordon (Sci-Fi, 1936)
35		Space Jam (Animation, Adventure, Comedy, Sci-Fi, 1996)
35		Flight to Mars (Sci-Fi, 1951)
35		Starforce (Sci-Fi, 2000)
35		Battle for Terra (Animation, Action, Adventure, Sci-Fi, 2007)
35		Men in Black (Adventure, Comedy, Family, Sci-Fi, 1997)
35		Chandu the Magician (Action, Adventure, Fantasy, Sci-Fi, 1932)
34		Outland (Action, Crime, Sci-Fi, 1981)
33		Those Fantastic Flying Fools (Adventure, Comedy, Fantasy, Sci-Fi, 1967)
33		They Came from Beyond Space (Adventure, Sci-Fi, 1967)
32		Son of Flubber (Comedy, Sci-Fi, Family, 1963)
32		A Man Called Nereus (Action, Comedy, Sci-Fi, 2012)
32		Paradisio (Comedy, Sci-Fi, Thriller, 1962)
32		The Diamonds of Metro Valley (Action, Comedy, Sci-Fi, 2010)
32		Oblivion 2: Backlash (Adventure, Comedy, Sci-Fi, 1996)
32		The Nutty Professor (Comedy, Romance, Sci-Fi, 1963)
32		Moon Pilot (Family, Comedy, Sci-Fi, 1962)
32		Star Wars: The Force Awakens (Action, Adventure, Fantasy, Sci-Fi, 2015)
32		Bad Taste (Comedy, Horror, Sci-Fi, 1987)
32		The Wacky World of Dr. Morgus (Comedy, Horror, Sci-Fi, 1962)
32		The Absent Minded Professor (Comedy, Family, Sci-Fi, 1961)
31		The Adventures of Mark Twain (Animation, Adventure, Family, Sci-Fi, 1985)
31		The Flesh Eaters (Comedy, Horror, Sci-Fi, 1964)
31		The Monkey's Uncle (Family, Comedy, Sci-Fi, 1965)
31		Mad Max: Fury Road (Action, Adventure, Sci-Fi, 2015)
31		The Misadventures of Merlin Jones (Family, Comedy, Sci-Fi, 1964)
30		Masters of Venus (Sci-Fi, 1962)
30		Captain America: The Winter Soldier (Action, Adventure, Sci-Fi, 2014)
30		Invasion of the Saucer Men (Comedy, Horror, Sci-Fi, 1957)
30		Captain Celluloid vs. the Film Pirates (Sci-Fi, Action, Comedy, 1966)
30		The Saint (Action, Adventure, Romance, Sci-Fi, 1997)
30		The Host (Comedy, Drama, Horror, Sci-Fi, 2006)
30		Run (Sci-Fi, 2002)
30		Undersea Kingdom (Sci-Fi, Adventure, 1936)
30		Titan A.E. (Animation, Action, Adventure, Sci-Fi, 2000)
30		Matchless (Comedy, Sci-Fi, Thriller, 1967)
30		The President's Analyst (Comedy, Sci-Fi, Thriller, 1967)
30		Spider Baby or, The Maddest Story Ever Told (Comedy, Horror, Sci-Fi, 1967)
29		The Truman Show (Comedy, Drama, Sci-Fi, 1998)
29		Hibernatus (Comedy, Fantasy, Sci-Fi, 1969)
29		The Love Factor (Comedy, Fantasy, Sci-Fi, 1969)
29		Flash Gordon (Action, Adventure, Sci-Fi, 1936)
29		Carolina Cannonball (Comedy, Musical, Sci-Fi, 1955)
29		Drive (Action, Adventure, Sci-Fi, 1997)
29		Rocky Horror Show Live (Comedy, Musical, Sci-Fi, 2015)
28		Invasion of Astro-Monster (Action, Adventure, Sci-Fi, 1965)
28		Abbott and Costello Go to Mars (Comedy, Sci-Fi, Fantasy, 1953)
28		Abby Sen (Comedy, Drama, Sci-Fi, 2015)
28		Flytrap (Comedy, Drama, Sci-Fi, 2015)
28		The Invisible Man (Comedy, Horror, Sci-Fi, 1933)
28		Back to the Future Part II (Adventure, Comedy, Sci-Fi, 1989)
28		Toomorrow (Comedy, Musical, Sci-Fi, 1970)
28		G.O.R.A. (Adventure, Comedy, Sci-Fi, 2004)
28		The Million Dollar Duck (Comedy, Family, Sci-Fi, 1971)
28		The Rocket Man (Family, Sci-Fi, Comedy, 1954)
28		Daleks' Invasion Earth 2150 A.D. (Family, Sci-Fi, 1966)
28		The 27th Day (Sci-Fi, 1957)
28		The Bowery Boys Meet the Monsters (Horror, Comedy, Sci-Fi, 1954)
28		The Garden's Keeper (Action, Comedy, Sci-Fi, 2015)

Notes: Movies similar to The Road to Hong Kong, Movies like The Road to Hong Kong, Comedy, Sci-Fi, Norman Panama, Bing Crosby, Bob Hope, Joan Collins, Robert Morley, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities