Miles between Boulder, CO and San Mateo, CA

There are
1,262 mi
from Boulder, CO to San Mateo, CA

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

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

1,262 mi = 1.61 kms