There are
1,046 mi
from Boynton Beach, FL to Port Arthur, TX
That's the driving distance. It would take 19 hours 8 mins to go from Boynton Beach, Florida to Port Arthur, Texas.
The flight distance (direct flight from Boynton Beach, FL to Port Arthur, TX) is 875.40 mi.
1,046 mi = 1.61 kms