Miles between Boulder, CO and Colleyville, TX

There are
783 mi
from Boulder, CO to Colleyville, TX

That's the driving distance. It would take 14 hours 34 mins to go from Boulder, Colorado to Colleyville, Texas.

The flight distance (direct flight from Boulder, CO to Colleyville, TX) is 667.54 mi.

783 mi = 1,259.61 kms