Miles between Allentown, PA and Irmo, SC

There are
658 mi
from Allentown, PA to Irmo, SC

That's the driving distance. It would take 12 hours 42 mins to go from Allentown, Pennsylvania to Irmo, South Carolina.

The flight distance (direct flight from Allentown, PA to Irmo, SC) is 548.23 mi.

658 mi = 1,059.57 kms