Miles between Dubuque, IA and Ontario, CA

There are
1,837 mi
from Dubuque, IA to Ontario, CA

That's the driving distance. It would take 1 day 8 hours to go from Dubuque, Iowa to Ontario, California.

The flight distance (direct flight from Dubuque, IA to Ontario, CA) is 1,567.03 mi.

1,837 mi = 2,955.86 kms