| Conway to Orbetello | 5,238.83 mi (8,431.09 km) |
| Conway to Oria | 5,585.00 mi (8,988.19 km) |
| Conway to Oristano | 5,225.40 mi (8,409.47 km) |
| Conway to Orta Nova | 5,470.67 mi (8,804.19 km) |
| Conway to Orte | 5,286.87 mi (8,508.40 km) |
| Conway to Ortona | 5,374.33 mi (8,649.14 km) |
| Conway to Orvieto | 5,265.10 mi (8,473.36 km) |
| Conway to Orzinuovi | 5,071.20 mi (8,161.31 km) |
| Conway to Osimo | 5,290.54 mi (8,514.30 km) |
| Conway to Ospitaletto | 5,070.94 mi (8,160.88 km) |
| Conway to Ostuni | 5,572.85 mi (8,968.63 km) |
| Conway to Ottaviano | 5,439.74 mi (8,754.42 km) |
| Conway to Ovada | 5,047.39 mi (8,122.99 km) |
| Conway to Ozieri | 5,217.14 mi (8,396.18 km) |
| Conway to Paceco | 5,475.75 mi (8,812.36 km) |
