Miles between Boulder, CO and Vacaville, CA

There are
1,191 mi
from Boulder, CO to Vacaville, CA

That's the driving distance. It would take 20 hours 23 mins to go from Boulder, Colorado to Vacaville, California.

The flight distance (direct flight from Boulder, CO to Vacaville, CA) is 901.21 mi.

1,191 mi = 1.61 kms