There are
280 mi
from Omaha, NE to El Dorado, KS
That's the driving distance. It would take 5 hours 15 mins to go from Omaha, Nebraska to El Dorado, Kansas.
The flight distance (direct flight from Omaha, NE to El Dorado, KS) is 241.77 mi.
280 mi = 450.28 kms