There are
800 mi
from Overland Park, KS to Smyrna, GA
That's the driving distance. It would take 15 hours 3 mins to go from Overland Park, Kansas to Smyrna, Georgia.
The flight distance (direct flight from Overland Park, KS to Smyrna, GA) is 664.82 mi.
800 mi = 1,288.00 kms