Miles between Longmont, CO and South El Monte, CA

There are
1,031 mi
from Longmont, CO to South El Monte, CA

That's the driving distance. It would take 18 hours 8 mins to go from Longmont, Colorado to South El Monte, California.

The flight distance (direct flight from Longmont, CO to South El Monte, CA) is 827.76 mi.

1,031 mi = 1.61 kms