There are
669 mi
from Fort Walton Beach, FL to Seymour, IN
That's the driving distance. It would take 12 hours 43 mins to go from Fort Walton Beach, Florida to Seymour, Indiana.
The flight distance (direct flight from Fort Walton Beach, FL to Seymour, IN) is 591.43 mi.
669 mi = 1,077.28 kms