| Sudley to Orbetello | 4,433.77 mi (7,135.46 km) |
| Sudley to Oria | 4,786.59 mi (7,703.27 km) |
| Sudley to Oristano | 4,403.00 mi (7,085.94 km) |
| Sudley to Orta Nova | 4,671.21 mi (7,517.58 km) |
| Sudley to Orte | 4,484.69 mi (7,217.41 km) |
| Sudley to Ortona | 4,576.58 mi (7,365.29 km) |
| Sudley to Orvieto | 4,463.56 mi (7,183.40 km) |
| Sudley to Orzinuovi | 4,278.78 mi (6,886.03 km) |
| Sudley to Osimo | 4,496.33 mi (7,236.15 km) |
| Sudley to Ospitaletto | 4,279.72 mi (6,887.55 km) |
| Sudley to Ostuni | 4,775.43 mi (7,685.32 km) |
| Sudley to Ottaviano | 4,634.82 mi (7,459.03 km) |
| Sudley to Ovada | 4,247.82 mi (6,836.21 km) |
| Sudley to Ozieri | 4,398.51 mi (7,078.73 km) |
| Sudley to Paceco | 4,653.71 mi (7,489.43 km) |
