Miles between Fontana, CA and Boulder, CO

There are
981 mi
from Fontana, CA to Boulder, CO

That's the driving distance. It would take 17 hours 17 mins to go from Fontana, California to Boulder, Colorado.

The flight distance (direct flight from Fontana, CA to Boulder, CO) is 784.64 mi.

981 mi = 1,579.34 kms