| Southchase to Orbetello | 5,048.43 mi (8,124.66 km) |
| Southchase to Oria | 5,406.09 mi (8,700.25 km) |
| Southchase to Oristano | 4,990.86 mi (8,032.02 km) |
| Southchase to Orta Nova | 5,290.64 mi (8,514.46 km) |
| Southchase to Orte | 5,102.68 mi (8,211.97 km) |
| Southchase to Ortona | 5,199.30 mi (8,367.47 km) |
| Southchase to Orvieto | 5,082.65 mi (8,179.73 km) |
| Southchase to Orzinuovi | 4,911.52 mi (7,904.32 km) |
| Southchase to Osimo | 5,124.40 mi (8,246.93 km) |
| Southchase to Ospitaletto | 4,913.87 mi (7,908.11 km) |
| Southchase to Ostuni | 5,396.34 mi (8,684.57 km) |
| Southchase to Ottaviano | 5,247.30 mi (8,444.72 km) |
| Southchase to Ovada | 4,872.08 mi (7,840.85 km) |
| Southchase to Ozieri | 4,992.96 mi (8,035.39 km) |
| Southchase to Paceco | 5,239.08 mi (8,431.48 km) |
