Miles between Pleasanton, CA and Thornton, CO

There are
1,250 mi
from Pleasanton, CA to Thornton, CO

That's the driving distance. It would take 21 hours 25 mins to go from Pleasanton, California to Thornton, Colorado.

The flight distance (direct flight from Pleasanton, CA to Thornton, CO) is 921.84 mi.

1,250 mi = 2,010.92 kms