Miles between Thornton, CO and Millbrae, CA

There are
1,257 mi
from Thornton, CO to Millbrae, CA

That's the driving distance. It would take 21 hours 37 mins to go from Thornton, Colorado to Millbrae, California.

The flight distance (direct flight from Thornton, CO to Millbrae, CA) is 950.05 mi.

1,257 mi = 1.61 kms