Miles between San Francisco, CA and Longmont, CO

There are
1,229 mi
from San Francisco, CA to Longmont, CO

That's the driving distance. It would take 21 hours 7 mins to go from San Francisco, California to Longmont, Colorado.

The flight distance (direct flight from San Francisco, CA to Longmont, CO) is 943.21 mi.

1,229 mi = 1.61 kms