Miles between San Marcos, CA and Richland, WA

There are
1,132 mi
from San Marcos, CA to Richland, WA

That's the driving distance. It would take 21 hours 27 mins to go from San Marcos, California to Richland, Washington.

The flight distance (direct flight from San Marcos, CA to Richland, WA) is 914.90 mi.

1,132 mi = 1.61 kms