There are
880 mi
from Waterloo, IA to Smyrna, GA
That's the driving distance. It would take 16 hours 38 mins to go from Waterloo, Iowa to Smyrna, Georgia.
The flight distance (direct flight from Waterloo, IA to Smyrna, GA) is 730.39 mi.
880 mi = 1,417.01 kms