Miles between Costa Mesa, CA and Longmont, CO

There are
1,049 mi
from Costa Mesa, CA to Longmont, CO

That's the driving distance. It would take 18 hours 31 mins to go from Costa Mesa, California to Longmont, Colorado.

The flight distance (direct flight from Costa Mesa, CA to Longmont, CO) is 838.19 mi.

1,049 mi = 1.61 kms