Miles between Mckinney, TX and Longmont, CO

There are
803 mi
from Mckinney, TX to Longmont, CO

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

The flight distance (direct flight from Mckinney, TX to Longmont, CO) is 671.50 mi.

803 mi = 1,291.87 kms