Miles between Plano, TX and Longmont, CO

There are
809 mi
from Plano, TX to Longmont, CO

That's the driving distance. It would take 14 hours 55 mins to go from Plano, Texas to Longmont, Colorado.

The flight distance (direct flight from Plano, TX to Longmont, CO) is 678.44 mi.

809 mi = 1,302.00 kms