Miles between Lake Forest, CA and Longmont, CO

There are
1,042 mi
from Lake Forest, CA to Longmont, CO

That's the driving distance. It would take 18 hours 28 mins to go from Lake Forest, California to Longmont, Colorado.

The flight distance (direct flight from Lake Forest, CA to Longmont, CO) is 827.30 mi.

1,042 mi = 1.61 kms