| Conneaut to Orbetello | 4,441.92 mi (7,148.58 km) |
| Conneaut to Oria | 4,789.13 mi (7,707.36 km) |
| Conneaut to Oristano | 4,427.89 mi (7,125.99 km) |
| Conneaut to Orta Nova | 4,674.58 mi (7,523.01 km) |
| Conneaut to Orte | 4,490.32 mi (7,226.47 km) |
| Conneaut to Ortona | 4,578.45 mi (7,368.31 km) |
| Conneaut to Orvieto | 4,468.62 mi (7,191.55 km) |
| Conneaut to Orzinuovi | 4,276.06 mi (6,881.66 km) |
| Conneaut to Osimo | 4,495.22 mi (7,234.35 km) |
| Conneaut to Ospitaletto | 4,276.02 mi (6,881.59 km) |
| Conneaut to Ostuni | 4,777.13 mi (7,688.05 km) |
| Conneaut to Ottaviano | 4,642.92 mi (7,472.05 km) |
| Conneaut to Ovada | 4,251.08 mi (6,841.45 km) |
| Conneaut to Ozieri | 4,419.51 mi (7,112.52 km) |
| Conneaut to Paceco | 4,678.18 mi (7,528.81 km) |
