There are
1,505 mi
from Rancho Cucamonga, CA to Fremont, NE
That's the driving distance. It would take 1 day 2 hours to go from Rancho Cucamonga, California to Fremont, Nebraska.
The flight distance (direct flight from Rancho Cucamonga, CA to Fremont, NE) is 1,254.18 mi.
1,505 mi = 1.61 kms