[The series and its rules are explained here, where you will also find links to the songs for the other states.]
35:1. Pancho and Lefty: 'Lefty split for Ohio'. (1, 2, 3, 4.)
35:2. Look At Miss Ohio: 'Oh me oh my oh, look at Miss Ohio'. (1, 2.)
35:3. Dayton Ohio 1903: 'It's a real nice way / To spend the day / In Dayton, Ohio'. (1, 2.)
35:4. Ohio: 'Four dead in Ohio'. (1, 2, 3.)
35:5. My City Was Gone: 'I went back to Ohio / But my city was gone'. (1, 2, 3.)
35:6. Youngstown: 'Here in northeast Ohio / Back in 1803'. (1, 2, 3.)
35:7. Ohio (Come Back To Texas): 'There's nothing wrong with Ohio / Except the snow and the rain'. (1, 2, 3, 4.)
35:8. Ohio: 'Why, oh why, oh why, oh / Why did I ever leave Ohio?' (1, 2, 3.)
35:9. Carry Me, Ohio: 'And carry her, my angel, Ohio'. (1, 2.)
35:10. Jocko Homo: 'I've got a rhyme that comes in a riddle / O-Hi-O!' (1.)
35:11. Saturday Night In Toledo, Ohio: 'Saturday night in Toledo, Ohio, is like being nowhere at all'. (1, 2.)
35:12. Where in the World Is Carmen Sandiego: 'Mali to Bali, Ohio, Oahu'. (1, 2.)
35:13. The Old Man No One Loves: 'His son's a doctor up in Ohio'. (1, 2, 3.)
35:14. Wanted Man: 'Wanted man in Ohio'. (1, 2, 3.)
35:16. My Father: 'We lived in Ohio then'. (1, 2, 3.)
35:17. Mason Dixon Lines: 'My Texas draw just kills them in Ohio'. (1, 2.)
35:18. Speedway At Nazareth: 'Those walls from mid-Ohio to Toronto they hurt'. (1, 2, 3.)
35:19. Oh Atlanta: 'I said right down near Ohio'. (1, 2, 3.)
35:20. Ohio: 'Hello Ohio / The back roads / I know Ohio'. (1, 2, 3.)
35:21. Black Cowboys: 'Through Pennsylvania and Ohio his train drifted on'. (1, 2, 3.)
35:22. Highway Patrolman: 'Seen a Buick with Ohio plates behind the wheel was Frank'. (1, 2, 3, 4.)
35:23. Ohio: 'Oh, Ohio / Seems like a dream to me now'. (1, 2, 3.)
35:24. Ohio Air Show Plane Crash. (1, 2, 3.)
35:25. Leaves And Kings: 'Met you in Ohio sleeping in the rain'. (1, 2, 3.)
35:26. Ohio: 'Ohio, Ohio, Ohio, Ohio...' (1, 2, 3.)
35:27. Blood Buzz Ohio: 'I'll never marry but Ohio don't remember me'. (1, 2, 3, 4.)
35:28. Love On A Greyhound Bus: 'Then Columbus, Ohio'. (1, 2.)