Miles between Naperville, IL and San Marcos, TX

There are
1,128 mi
from Naperville, IL to San Marcos, TX

That's the driving distance. It would take 20 hours 51 mins to go from Naperville, Illinois to San Marcos, Texas.

The flight distance (direct flight from Naperville, IL to San Marcos, TX) is 987.05 mi.

1,128 mi = 1.61 kms