| Twinsburg to Orbetello | 4,503.05 mi (7,246.96 km) |
| Twinsburg to Oria | 4,850.44 mi (7,806.03 km) |
| Twinsburg to Oristano | 4,488.41 mi (7,223.40 km) |
| Twinsburg to Orta Nova | 4,735.86 mi (7,621.63 km) |
| Twinsburg to Orte | 4,551.53 mi (7,324.97 km) |
| Twinsburg to Ortona | 4,639.76 mi (7,466.98 km) |
| Twinsburg to Orvieto | 4,529.84 mi (7,290.08 km) |
| Twinsburg to Orzinuovi | 4,337.45 mi (6,980.46 km) |
| Twinsburg to Osimo | 4,556.59 mi (7,333.12 km) |
| Twinsburg to Ospitaletto | 4,337.43 mi (6,980.42 km) |
| Twinsburg to Ostuni | 4,838.46 mi (7,786.75 km) |
| Twinsburg to Ottaviano | 4,704.07 mi (7,570.47 km) |
| Twinsburg to Ovada | 4,312.33 mi (6,940.02 km) |
| Twinsburg to Ozieri | 4,480.20 mi (7,210.18 km) |
| Twinsburg to Paceco | 4,738.76 mi (7,626.29 km) |
