Miles between Irvine, CA and Longmont, CO

There are
1,038 mi
from Irvine, CA to Longmont, CO

That's the driving distance. It would take 18 hours 24 mins to go from Irvine, California to Longmont, Colorado.

The flight distance (direct flight from Irvine, CA to Longmont, CO) is 830.69 mi.

1,038 mi = 1,670.75 kms