Miles between Thornton, CO and Sierra Vista, AZ

There are
893 mi
from Thornton, CO to Sierra Vista, AZ

That's the driving distance. It would take 15 hours 54 mins to go from Thornton, Colorado to Sierra Vista, Arizona.

The flight distance (direct flight from Thornton, CO to Sierra Vista, AZ) is 647.17 mi.

893 mi = 1,436.90 kms