Miles between San Marcos, CA and Hermiston, OR

There are
1,093 mi
from San Marcos, CA to Hermiston, OR

That's the driving distance. It would take 20 hours 36 mins to go from San Marcos, California to Hermiston, Oregon.

The flight distance (direct flight from San Marcos, CA to Hermiston, OR) is 884.46 mi.

1,093 mi = 1.61 kms