Miles between Boulder, CO and Santee, CA

There are
1,090 mi
from Boulder, CO to Santee, CA

That's the driving distance. It would take 19 hours 15 mins to go from Boulder, Colorado to Santee, California.

The flight distance (direct flight from Boulder, CO to Santee, CA) is 816.82 mi.

1,090 mi = 1.61 kms