Miles between Thornton, CO and Modesto, CA

There are
1,231 mi
from Thornton, CO to Modesto, CA

That's the driving distance. It would take 21 hours 2 mins to go from Thornton, Colorado to Modesto, California.

The flight distance (direct flight from Thornton, CO to Modesto, CA) is 875.84 mi.

1,231 mi = 1.61 kms