Miles between Decatur, IL and St John, IN

There are
162 mi
from Decatur, IL to St John, IN

That's the driving distance. It would take 3 hours 12 mins to go from Decatur, Illinois to St John, Indiana.

The flight distance (direct flight from Decatur, IL to St John, IN) is 135.45 mi.

162 mi = 261.08 kms