Miles between Springfield, IL and San Marcos, CA

There are
1,946 mi
from Springfield, IL to San Marcos, CA

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

The flight distance (direct flight from Springfield, IL to San Marcos, CA) is 1,589.10 mi.

1,946 mi = 1.61 kms