There are
1,047 mi
from Port Arthur, TX to Boynton Beach, FL
That's the driving distance. It would take 19 hours 8 mins to go from Port Arthur, Texas to Boynton Beach, Florida.
The flight distance (direct flight from Port Arthur, TX to Boynton Beach, FL) is 875.40 mi.
1,047 mi = 1,685.03 kms