Miles between Boulder, CO and Benicia, CA

There are
1,218 mi
from Boulder, CO to Benicia, CA

That's the driving distance. It would take 20 hours 55 mins to go from Boulder, Colorado to Benicia, California.

The flight distance (direct flight from Boulder, CO to Benicia, CA) is 915.09 mi.

1,218 mi = 1.61 kms