Miles between Garland, TX and Longmont, CO

There are
815 mi
from Garland, TX to Longmont, CO

That's the driving distance. It would take 15 hours 5 mins to go from Garland, Texas to Longmont, Colorado.

The flight distance (direct flight from Garland, TX to Longmont, CO) is 686.32 mi.

815 mi = 1,311.35 kms