Miles between Longmont, CO and Thornton, CO

There are
28 mi
from Longmont, CO to Thornton, CO

That's the driving distance. It would take 36 minutes to go from Longmont, Colorado to Thornton, Colorado.

The flight distance (direct flight from Longmont, CO to Thornton, CO) is 21.79 mi.

28 mi = 45.69 kms