There are
1,645 mi
from Concord, CA to Omaha, NE
That's the driving distance. It would take 1 day 3 hours to go from Concord, California to Omaha, Nebraska.
The flight distance (direct flight from Concord, CA to Omaha, NE) is 1,398.56 mi.
1,645 mi = 1.61 kms