Miles between Boulder, CO and San Marino, CA

There are
1,019 mi
from Boulder, CO to San Marino, CA

That's the driving distance. It would take 17 hours 57 mins to go from Boulder, Colorado to San Marino, California.

The flight distance (direct flight from Boulder, CO to San Marino, CA) is 815.21 mi.

1,019 mi = 1.61 kms