There are
1,103 mi
from Allentown, PA to Petal, MS
That's the driving distance. It would take 20 hours 28 mins to go from Allentown, Pennsylvania to Petal, Mississippi.
The flight distance (direct flight from Allentown, PA to Petal, MS) is 998.98 mi.
1,103 mi = 1,774.59 kms