Miles between San Mateo, CA and Boulder, CO

There are
1,261 mi
from San Mateo, CA to Boulder, CO

That's the driving distance. It would take 21 hours 49 mins to go from San Mateo, California to Boulder, Colorado.

The flight distance (direct flight from San Mateo, CA to Boulder, CO) is 932.48 mi.

1,261 mi = 1.61 kms