Miles between Irvine, CA and Longmont, CO

There are
1,039 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.

1,039 mi = 1.61 kms