kilometer vs klick

kilometer and klick both are nouns.

Word	Noun	Adjective	Verb	Adverb
kilometer	Yes	No	No	No
klick	Yes	No	No	No

As nouns, kilometer and klick are synonyms defined as:

kilometer and klick: a metric unit of length equal to 1000 meters (or 0.621371 miles)

Other synonyms of kilometer include kilometre, km.

kilometer (noun)	klick (noun)
a metric unit of length equal to 1000 meters (or 0.621371 miles)	a metric unit of length equal to 1000 meters (or 0.621371 miles)