Miles between Boulder, CO and Rocklin, CA

There are
1,138 mi
from Boulder, CO to Rocklin, CA

That's the driving distance. It would take 19 hours 22 mins to go from Boulder, Colorado to Rocklin, California.

The flight distance (direct flight from Boulder, CO to Rocklin, CA) is 855.38 mi.

1,138 mi = 1.61 kms