Miles between Boulder, CO and Norco, CA

There are
997 mi
from Boulder, CO to Norco, CA

That's the driving distance. It would take 17 hours 33 mins to go from Boulder, Colorado to Norco, California.

The flight distance (direct flight from Boulder, CO to Norco, CA) is 796.39 mi.

997 mi = 1,604.80 kms