Miles between Longmont, CO and Southlake, TX

There are
785 mi
from Longmont, CO to Southlake, TX

That's the driving distance. It would take 14 hours 33 mins to go from Longmont, Colorado to Southlake, Texas.

The flight distance (direct flight from Longmont, CO to Southlake, TX) is 666.36 mi.

785 mi = 1,262.96 kms