Miles between Thornton, CO and San Mateo, CA

There are
1,262 mi
from Thornton, CO to San Mateo, CA

That's the driving distance. It would take 21 hours 42 mins to go from Thornton, Colorado to San Mateo, California.

The flight distance (direct flight from Thornton, CO to San Mateo, CA) is 947.46 mi.

1,262 mi = 1.61 kms