Miles between Thornton, CO and Fountain Valley, CA

There are
1,027 mi
from Thornton, CO to Fountain Valley, CA

That's the driving distance. It would take 18 hours 1 min to go from Thornton, Colorado to Fountain Valley, California.

The flight distance (direct flight from Thornton, CO to Fountain Valley, CA) is 833.64 mi.

1,027 mi = 1.61 kms