Miles between Joliet, IL and Johnston, IA

There are
310 mi
from Joliet, IL to Johnston, IA

That's the driving distance. It would take 5 hours 41 mins to go from Joliet, Illinois to Johnston, Iowa.

The flight distance (direct flight from Joliet, IL to Johnston, IA) is 290.72 mi.

310 mi = 499.12 kms