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km

1 American  

abbreviation

  1. kilometer; kilometers.

km. 2 American  

abbreviation

  1. kilometer; kilometers.

  2. kingdom.

km 1 British  

abbreviation

  1. Comoros

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
km 2 British  

symbol

  1. kilometre

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
km Scientific  

  1. Abbreviation of kilometer

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Beneath Pine Island Glacier lies an enormous buried granite mass, nearly 100 km wide and 7 km thick, roughly half the size of Wales in the UK.

From Science Daily • Mar. 18, 2026

But in 2022 summer sea ice in much of Antarctica dramatically shrank, falling from an average of 2.8m sq km to a record low of 1.79m sq km in 2023.

From BBC • Feb. 25, 2026

Saturday's potentially pivotal stage finishes at the summit of Jebel Hafeet after a 10.6 km climb with an average gradient of 6.9 per cent.

From Barron's • Feb. 20, 2026

By combining data from land based seismic stations and ocean floor instruments installed at the underwater volcano Kolumbo, located 7 km from Santorini, the team reconstructed what was happening deep below the surface.

From Science Daily • Feb. 17, 2026

It could have been up to 10,000 km away.

From "The Martian" by Andy Weir

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.