Miles between Boulder, CO and Ripon, CA

There are
1,221 mi
from Boulder, CO to Ripon, CA

That's the driving distance. It would take 20 hours 57 mins to go from Boulder, Colorado to Ripon, California.

The flight distance (direct flight from Boulder, CO to Ripon, CA) is 865.82 mi.

1,221 mi = 1,965.31 kms