There are
1,544 mi
from Irvine, CA to Fremont, NE
That's the driving distance. It would take 1 day 2 hours to go from Irvine, California to Fremont, Nebraska.
The flight distance (direct flight from Irvine, CA to Fremont, NE) is 1,278.96 mi.
1,544 mi = 1.61 kms