Miles between Boulder, CO and Whittier, CA

There are
1,023 mi
from Boulder, CO to Whittier, CA

That's the driving distance. It would take 18 hours 1 min to go from Boulder, Colorado to Whittier, California.

The flight distance (direct flight from Boulder, CO to Whittier, CA) is 817.24 mi.

1,023 mi = 1.61 kms