There are
1,704 mi
from Rancho Cucamonga, CA to Oskaloosa, IA
That's the driving distance. It would take 1 day 5 hours to go from Rancho Cucamonga, California to Oskaloosa, Iowa.
The flight distance (direct flight from Rancho Cucamonga, CA to Oskaloosa, IA) is 1,445.30 mi.
1,704 mi = 1.61 kms