Miles between Allentown, PA and Johnston, IA

There are
1,037 mi
from Allentown, PA to Johnston, IA

That's the driving distance. It would take 19 hours 13 mins to go from Allentown, Pennsylvania to Johnston, Iowa.

The flight distance (direct flight from Allentown, PA to Johnston, IA) is 948.91 mi.

1,037 mi = 1.61 kms