There are
1,138 mi
from Dayton, OH to La Marque, TX
That's the driving distance. It would take 20 hours 54 mins to go from Dayton, Ohio to La Marque, Texas.
The flight distance (direct flight from Dayton, OH to La Marque, TX) is 942.71 mi.
1,138 mi = 1.61 kms