Miles between Naperville, IL and Fontana, CA

There are
1,942 mi
from Naperville, IL to Fontana, CA

That's the driving distance. It would take 1 day 9 hours to go from Naperville, Illinois to Fontana, California.

The flight distance (direct flight from Naperville, IL to Fontana, CA) is 1,672.58 mi.

1,942 mi = 1.61 kms