Miles between Porterville, CA and Thornton, CO

There are
1,091 mi
from Porterville, CA to Thornton, CO

That's the driving distance. It would take 19 hours 16 mins to go from Porterville, California to Thornton, Colorado.

The flight distance (direct flight from Porterville, CA to Thornton, CO) is 807.84 mi.

1,091 mi = 1,755.37 kms