Miles between Peoria, IL and San Marcos, CA

There are
1,978 mi
from Peoria, IL to San Marcos, CA

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

The flight distance (direct flight from Peoria, IL to San Marcos, CA) is 1,602.27 mi.

1,978 mi = 1.61 kms