Miles between Markham, IL and Johnston, IA

There are
331 mi
from Markham, IL to Johnston, IA

That's the driving distance. It would take 6 hours 7 mins to go from Markham, Illinois to Johnston, Iowa.

The flight distance (direct flight from Markham, IL to Johnston, IA) is 310.40 mi.

331 mi = 533.46 kms