Miles between Gary, IN and Cahokia, IL

There are
302 mi
from Gary, IN to Cahokia, IL

That's the driving distance. It would take 5 hours 42 mins to go from Gary, Indiana to Cahokia, Illinois.

The flight distance (direct flight from Gary, IN to Cahokia, IL) is 257.28 mi.

302 mi = 485.31 kms