Yes, the word kilometers is a common noun, a word for a measurement, a thing. The noun kilometers is a word for any kilometers for anything, anywhere.
A proper noun is the name of a person, place, thing, or a title; for example:
Common
Common noun
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Th word tail is a common noun because the first letter of a proper noun is capitalized.
"Kilo" means 1000.
3,000 kilometers = 1,864.11358 miles
common noun
1 mile = 1.609344 kilometres
Common
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.
Camel is a common noun.
Th word tail is a common noun because the first letter of a proper noun is capitalized.