Miles between Boulder, CO and San Luis, AZ

There are
1,026 mi
from Boulder, CO to San Luis, AZ

That's the driving distance. It would take 19 hours 25 mins to go from Boulder, Colorado to San Luis, Arizona.

The flight distance (direct flight from Boulder, CO to San Luis, AZ) is 741.69 mi.

1,026 mi = 1.61 kms