There are
639 mi
from Bethlehem, PA to Seymour, IN
That's the driving distance. It would take 12 hours 45 mins to go from Bethlehem, Pennsylvania to Seymour, Indiana.
The flight distance (direct flight from Bethlehem, PA to Seymour, IN) is 569.86 mi.
639 mi = 1,028.06 kms