| Twinsburg to Oerlinghausen | 4,057.36 mi (6,529.70 km) |
| Twinsburg to Oestrich-Winkel | 4,097.49 mi (6,594.28 km) |
| Twinsburg to Offenburg | 4,147.08 mi (6,674.08 km) |
| Twinsburg to Oftersheim | 4,141.65 mi (6,665.33 km) |
| Twinsburg to Ohrdruf | 4,173.58 mi (6,716.73 km) |
| Twinsburg to Ohringen | 4,183.24 mi (6,732.28 km) |
| Twinsburg to Olbernhau | 4,276.65 mi (6,882.60 km) |
| Twinsburg to Olching | 4,289.88 mi (6,903.90 km) |
| Twinsburg to Oldenburg | 4,002.33 mi (6,441.12 km) |
| Twinsburg to Oldenburg in Holstein | 4,060.93 mi (6,535.44 km) |
| Twinsburg to Olfen | 4,017.24 mi (6,465.12 km) |
| Twinsburg to Olpe | 4,057.20 mi (6,529.42 km) |
| Twinsburg to Olsberg | 4,070.87 mi (6,551.44 km) |
| Twinsburg to Oranienburg | 4,197.87 mi (6,755.82 km) |
| Twinsburg to Ortenberg | 4,126.13 mi (6,640.37 km) |
