Miles between Riverside, CA and Thornton, CO

There are
991 mi
from Riverside, CA to Thornton, CO

That's the driving distance. It would take 17 hours 18 mins to go from Riverside, California to Thornton, Colorado.

The flight distance (direct flight from Riverside, CA to Thornton, CO) is 797.69 mi.

991 mi = 1,595.60 kms