| Swinton to Orbetello | 985.68 mi (1,586.30 km) |
| Swinton to Oria | 1,293.14 mi (2,081.11 km) |
| Swinton to Oristano | 1,070.57 mi (1,722.92 km) |
| Swinton to Orta Nova | 1,185.40 mi (1,907.71 km) |
| Swinton to Orte | 1,019.20 mi (1,640.24 km) |
| Swinton to Ortona | 1,088.20 mi (1,751.30 km) |
| Swinton to Orvieto | 996.53 mi (1,603.75 km) |
| Swinton to Orzinuovi | 784.10 mi (1,261.88 km) |
| Swinton to Osimo | 998.36 mi (1,606.71 km) |
| Swinton to Ospitaletto | 780.31 mi (1,255.79 km) |
| Swinton to Ostuni | 1,279.03 mi (2,058.40 km) |
| Swinton to Ottaviano | 1,172.77 mi (1,887.39 km) |
| Swinton to Ovada | 787.56 mi (1,267.46 km) |
| Swinton to Ozieri | 1,037.84 mi (1,670.25 km) |
| Swinton to Paceco | 1,285.31 mi (2,068.50 km) |
