Miles between Boulder, CO and Vallejo, CA

There are
1,215 mi
from Boulder, CO to Vallejo, CA

That's the driving distance. It would take 20 hours 52 mins to go from Boulder, Colorado to Vallejo, California.

The flight distance (direct flight from Boulder, CO to Vallejo, CA) is 919.38 mi.

1,215 mi = 1.61 kms