Miles between San Marcos, CA and Mercer Island, WA

There are
1,236 mi
from San Marcos, CA to Mercer Island, WA

That's the driving distance. It would take 23 hours 30 mins to go from San Marcos, California to Mercer Island, Washington.

The flight distance (direct flight from San Marcos, CA to Mercer Island, WA) is 1,031.18 mi.

1,236 mi = 1.61 kms