Miles between Thornton, CO and Rocklin, CA

There are
1,138 mi
from Thornton, CO to Rocklin, CA

That's the driving distance. It would take 19 hours 15 mins to go from Thornton, Colorado to Rocklin, California.

The flight distance (direct flight from Thornton, CO to Rocklin, CA) is 871.20 mi.

1,138 mi = 1.61 kms