Miles between Longmont, CO and La Mesa, CA

There are
1,104 mi
from Longmont, CO to La Mesa, CA

That's the driving distance. It would take 19 hours 28 mins to go from Longmont, Colorado to La Mesa, California.

The flight distance (direct flight from Longmont, CO to La Mesa, CA) is 835.44 mi.

1,104 mi = 1.61 kms