Miles between San Marcos, CA and Washington, IL

There are
1,986 mi
from San Marcos, CA to Washington, IL

That's the driving distance. It would take 1 day 10 hours to go from San Marcos, California to Washington, Illinois.

The flight distance (direct flight from San Marcos, CA to Washington, IL) is 1,611.76 mi.

1,986 mi = 1.61 kms