Miles between San Mateo, CA and Green River, WY

There are
919 mi
from San Mateo, CA to Green River, WY

That's the driving distance. It would take 15 hours 49 mins to go from San Mateo, California to Green River, Wyoming.

The flight distance (direct flight from San Mateo, CA to Green River, WY) is 736.99 mi.

919 mi = 1,479.39 kms