Miles between Boulder, CO and Alameda, CA

There are
1,243 mi
from Boulder, CO to Alameda, CA

That's the driving distance. It would take 21 hours 27 mins to go from Boulder, Colorado to Alameda, California.

The flight distance (direct flight from Boulder, CO to Alameda, CA) is 924.35 mi.

1,243 mi = 1.61 kms