land mile vs international mile

land mile and international mile both are nouns.

Word	Noun	Adjective	Verb	Adverb
land mile	Yes	No	No	No
international mile	Yes	No	No	No

As nouns, land mile and international mile are synonyms defined as:

land mile and international mile: a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters

Other synonyms of land mile include mi, mile, stat mi, statute mile.

land mile (noun)	international mile (noun)
a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters	a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters