There are
410 mi
from Omaha, NE to Siloam Springs, AR
That's the driving distance. It would take 7 hours 47 mins to go from Omaha, Nebraska to Siloam Springs, Arkansas.
The flight distance (direct flight from Omaha, NE to Siloam Springs, AR) is 358.61 mi.
410 mi = 660.42 kms