Miles between Parma, OH and Duncan, OK

There are
1,125 mi
from Parma, OH to Duncan, OK

That's the driving distance. It would take 20 hours 45 mins to go from Parma, Ohio to Duncan, Oklahoma.

The flight distance (direct flight from Parma, OH to Duncan, OK) is 1,002.55 mi.

1,125 mi = 1.61 kms