There are
455 mi
from Allentown, PA to Knightdale, NC
That's the driving distance. It would take 8 hours 56 mins to go from Allentown, Pennsylvania to Knightdale, North Carolina.
The flight distance (direct flight from Allentown, PA to Knightdale, NC) is 370.49 mi.
455 mi = 732.70 kms