Miles between Longmont, CO and San Anselmo, CA

There are
1,228 mi
from Longmont, CO to San Anselmo, CA

That's the driving distance. It would take 21 hours 6 mins to go from Longmont, Colorado to San Anselmo, California.

The flight distance (direct flight from Longmont, CO to San Anselmo, CA) is 947.16 mi.

1,228 mi = 1.61 kms