Miles between Santa Fe, NM and Longmont, CO

There are
428 mi
from Santa Fe, NM to Longmont, CO

That's the driving distance. It would take 7 hours 35 mins to go from Santa Fe, New Mexico to Longmont, Colorado.

The flight distance (direct flight from Santa Fe, NM to Longmont, CO) is 312.88 mi.

428 mi = 689.18 kms