There are
1,546 mi
from Fremont, NE to Downey, CA
That's the driving distance. It would take 1 day 2 hours to go from Fremont, Nebraska to Downey, California.
The flight distance (direct flight from Fremont, NE to Downey, CA) is 1,286.70 mi.
1,546 mi = 2,487.56 kms