Miles between Half Moon Bay, CA and Longmont, CO

There are
1,257 mi
from Half Moon Bay, CA to Longmont, CO

That's the driving distance. It would take 21 hours 44 mins to go from Half Moon Bay, California to Longmont, Colorado.

The flight distance (direct flight from Half Moon Bay, CA to Longmont, CO) is 949.70 mi.

1,257 mi = 2,023.04 kms