There are
1,635 mi
from Omaha, NE to Vallejo, CA
That's the driving distance. It would take 1 day 3 hours to go from Omaha, Nebraska to Vallejo, California.
The flight distance (direct flight from Omaha, NE to Vallejo, CA) is 1,407.71 mi.
1,635 mi = 1.61 kms