There are
735 mi
from Topeka, KS to Sulphur, LA
That's the driving distance. It would take 14 hours 18 mins to go from Topeka, Kansas to Sulphur, Louisiana.
The flight distance (direct flight from Topeka, KS to Sulphur, LA) is 623.29 mi.
735 mi = 1,183.12 kms