Miles between Longmont, CO and Colleyville, TX

There are
790 mi
from Longmont, CO to Colleyville, TX

That's the driving distance. It would take 14 hours 38 mins to go from Longmont, Colorado to Colleyville, Texas.

The flight distance (direct flight from Longmont, CO to Colleyville, TX) is 668.83 mi.

790 mi = 1,272.17 kms