There are
903 mi
from Thornton, CO to Sahuarita, AZ
That's the driving distance. It would take 16 hours 6 mins to go from Thornton, Colorado to Sahuarita, Arizona.
The flight distance (direct flight from Thornton, CO to Sahuarita, AZ) is 640.59 mi.
903 mi = 1,452.46 kms