Miles between Boulder, CO and Upland, CA

There are
994 mi
from Boulder, CO to Upland, CA

That's the driving distance. It would take 17 hours 26 mins to go from Boulder, Colorado to Upland, California.

The flight distance (direct flight from Boulder, CO to Upland, CA) is 794.44 mi.

994 mi = 1,599.51 kms