Miles between Naperville, IL and Foster City, CA

There are
2,126 mi
from Naperville, IL to Foster City, CA

That's the driving distance. It would take 1 day 12 hours to go from Naperville, Illinois to Foster City, California.

The flight distance (direct flight from Naperville, IL to Foster City, CA) is 1,825.86 mi.

2,126 mi = 3.22 kms