Miles between Thornton, CO and Seal Beach, CA

There are
1,034 mi
from Thornton, CO to Seal Beach, CA

That's the driving distance. It would take 18 hours 7 mins to go from Thornton, Colorado to Seal Beach, California.

The flight distance (direct flight from Thornton, CO to Seal Beach, CA) is 839.57 mi.

1,034 mi = 1.61 kms