Miles between Billings, MT and Thornton, CO

There are
543 mi
from Billings, MT to Thornton, CO

That's the driving distance. It would take 8 hours 55 mins to go from Billings, Montana to Thornton, Colorado.

The flight distance (direct flight from Billings, MT to Thornton, CO) is 446 mi.

543 mi = 874.50 kms