There are
1,164 mi
from Allentown, PA to Topeka, KS
That's the driving distance. It would take 22 hours 9 mins to go from Allentown, Pennsylvania to Topeka, Kansas.
The flight distance (direct flight from Allentown, PA to Topeka, KS) is 1,074.69 mi.
1,164 mi = 1.61 kms