There are
1,007 mi
from Dayton, OH to Grapevine, TX
That's the driving distance. It would take 18 hours 6 mins to go from Dayton, Ohio to Grapevine, Texas.
The flight distance (direct flight from Dayton, OH to Grapevine, TX) is 856.90 mi.
1,007 mi = 1.61 kms