Miles between Longmont, CO and El Cajon, CA

There are
1,106 mi
from Longmont, CO to El Cajon, CA

That's the driving distance. It would take 19 hours 32 mins to go from Longmont, Colorado to El Cajon, California.

The flight distance (direct flight from Longmont, CO to El Cajon, CA) is 831.59 mi.

1,106 mi = 1.61 kms