Miles between Thornton, CO and San Luis, AZ

There are
1,021 mi
from Thornton, CO to San Luis, AZ

That's the driving distance. It would take 19 hours 13 mins to go from Thornton, Colorado to San Luis, Arizona.

The flight distance (direct flight from Thornton, CO to San Luis, AZ) is 747.05 mi.

1,021 mi = 1.61 kms