Miles between Naperville, IL and Duarte, CA

There are
1,969 mi
from Naperville, IL to Duarte, CA

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

The flight distance (direct flight from Naperville, IL to Duarte, CA) is 1,698.70 mi.

1,969 mi = 1.61 kms