Miles between Thornton, CO and Santa Monica, CA

There are
1,040 mi
from Thornton, CO to Santa Monica, CA

That's the driving distance. It would take 18 hours 13 mins to go from Thornton, Colorado to Santa Monica, California.

The flight distance (direct flight from Thornton, CO to Santa Monica, CA) is 847.56 mi.

1,040 mi = 1.61 kms