Miles between San Marcos, CA and Grain Valley, MO

There are
1,670 mi
from San Marcos, CA to Grain Valley, MO

That's the driving distance. It would take 1 day 4 hours to go from San Marcos, California to Grain Valley, Missouri.

The flight distance (direct flight from San Marcos, CA to Grain Valley, MO) is 1,340.91 mi.

1,670 mi = 1.61 kms