Miles between San Marcos, CA and Kennewick, WA

There are
1,125 mi
from San Marcos, CA to Kennewick, WA

That's the driving distance. It would take 21 hours 16 mins to go from San Marcos, California to Kennewick, Washington.

The flight distance (direct flight from San Marcos, CA to Kennewick, WA) is 908.88 mi.

1,125 mi = 1.61 kms