Miles between Ocean Springs, MS and Johnston, IA

There are
997 mi
from Ocean Springs, MS to Johnston, IA

That's the driving distance. It would take 19 hours 1 min to go from Ocean Springs, Mississippi to Johnston, Iowa.

The flight distance (direct flight from Ocean Springs, MS to Johnston, IA) is 823.96 mi.

997 mi = 1,603.88 kms