Miles between Longmont, CO and Keller, TX

There are
780 mi
from Longmont, CO to Keller, TX

That's the driving distance. It would take 14 hours 30 mins to go from Longmont, Colorado to Keller, Texas.

The flight distance (direct flight from Longmont, CO to Keller, TX) is 662.43 mi.

780 mi = 1,255.43 kms