To help compare different orders of magnitude this page lists lengths between 1 kilometre and 10 kilometres (10³ and 10⁴metres).

Distances shorter than 1 kilometre

1 kilometre (abbreviated as km) is equal to:

Distances longer than 10 kilometres

Ben Younger (born October 7, 1972) is an American screenwriter and film director.

Younger was born in Brooklyn, and raised in a Modern Orthodox Jewish household in Eltingville, Staten Island. He attended a yeshiva, before entering Queens College, part of the City University of New York, where he studied political science. While at university, he started performing stand-up comedy. After leaving university, he set his sights on a career in politics, taking on a role as a policy analyst for the New York City comptroller's office, where he served as a legislative aide to Alan Hevesi. After that, he successfully managed the State Assembly campaign for Queens Democrat Melinda Katz, becoming, at 21, the city's youngest ever campaign manager.

Despite his success, Younger became disenchanted with politics, and by 1995 started to seek a creative outlet that would rekindle the excitement he felt as a stand-up comedian. He wrote and directed two short films, Maestro and L & M, as well as working on a number of feature films as a grip, and directing music videos and commercials.

Vin Diesel (born Mark Sinclair Vincent; July 18, 1967) is an American actor, writer, director and producer. He became known in the early 2000s, appearing in several successful Hollywood films, including The Fast and the Furious and xXx. He founded the production companies One Race Films, Tigon Studios and Racetrack Records.

Vin Diesel was born in New York City, the son of Delora, a psychiatrist and astrologer. Diesel has white and black ancestry. He has described himself as "definitely a person of color" and stated that he is "of ambiguous ethnicity – Italian and a lot of other stuff." Diesel has never met his biological father, and was raised by his African-American stepfather, Irving, an acting instructor and theatre manager. He made his stage debut at age seven when he appeared in the children's play Dinosaur Door, written by Barbara Garson. The play was produced at Theater for the New City in New York's Greenwich Village. His involvement in the play came about when he, his brother, and some friends had broken into Theater for the New City's space on Jane Street with the intent to vandalize it. They were confronted by the theater's artistic director, Crystal Field, who, instead of calling the police, handed them scripts and offered them parts in the upcoming show. He remained involved with the theatre throughout adolescence, going on to attend the city's Hunter College, where his creative writing studies led him to begin screenwriting. Diesel became an active film-maker in the early 1990s, first earning notice for the short film Multi-Facial, which was selected for screening at the 1995 Cannes Festival. Diesel has identified himself as a "multi-faceted" actor as a result of early difficulties finding roles due to his mixed heritage.

Benjamin Géza Affleck-Boldt (born August 15, 1972), better known as Ben Affleck, is an American actor, film director, writer, and producer. He became known with his performances in Kevin Smith's films such as Mallrats (1995), Chasing Amy (1997), and Dogma (1999). Affleck won an Academy Award and a Golden Globe Award for the screenplay for Good Will Hunting (1997), which he co-wrote with Matt Damon, and has appeared in lead roles in such popular hits as Armageddon (1998), Pearl Harbor (2001), Changing Lanes (2002), The Sum of All Fears (2002), Daredevil (2003), Hollywoodland (2007) and State of Play (2009).

Affleck is a critically acclaimed filmmaker. He directed Gone Baby Gone (2007) and The Town (2010), playing the lead in the latter. He has worked with his younger brother, actor Casey Affleck, on several projects, including Good Will Hunting and Gone Baby Gone.

Affleck has been married to Jennifer Garner since June 2005. They have two daughters, Violet and Seraphina, and a son, Samuel. He dated the actress Gwyneth Paltrow in 1998. His relationship with actress/singer Jennifer Lopez attracted worldwide media attention, in which Affleck and Lopez were dubbed "Bennifer". The two broke up in 2004.

Sir Christopher Andrew "Chris" Hoy, MBE (born 23 March 1976 in Edinburgh, Scotland) is a Scottish track cyclist representing Great Britain and Scotland. He is a multiple world champion and Olympic Games gold medal winner. With his three gold medals in Beijing 2008, Hoy became Scotland's most successful Olympian, the first Briton to win three gold medals in a single Olympic games since Henry Taylor, in 1908, and the most successful Olympic male cyclist of all time.

Hoy went to school at Stockbridge Primary School, a state school in Edinburgh. He subsequently attended George Watson's College, a prestigious Edinburgh private school before continuing his studies at the University of St Andrews in 1996, before transferring to Moray House at the University of Edinburgh from where he graduated with a BSc (Hons) in Applied Sports Science in 1999. He was awarded an honorary doctorate from the University of Edinburgh in July 2005 and another from Heriot-Watt University in November 2005. Hoy returned to St Andrews University in June 2009 to be awarded an honorary Doctor of Science. Hoy was inspired to cycle at age six by the 1982 film E.T. the Extra-Terrestrial. Before track cycling, Hoy raced BMX between the ages of 7 and 14 and was ranked second in Britain, fifth in Europe and ninth in the world. He received sponsorship from Slazenger and Kwik-Fit and was competing in Europe and the US. Hoy also rowed for the Scottish junior team, coming second in the 1993 British championship with Grant Florence in the coxless pairs. He played rugby as part of his school's team.