Miles between San Anselmo, CA and Boulder, CO

There are
1,242 mi
from San Anselmo, CA to Boulder, CO

That's the driving distance. It would take 21 hours 26 mins to go from San Anselmo, California to Boulder, Colorado.

The flight distance (direct flight from San Anselmo, CA to Boulder, CO) is 937.63 mi.

1,242 mi = 1,998.98 kms