| Wandsworth to Orbetello | 821.12 mi (1,321.46 km) |
| Wandsworth to Oria | 1,137.10 mi (1,829.99 km) |
| Wandsworth to Oristano | 902.13 mi (1,451.83 km) |
| Wandsworth to Orta Nova | 1,027.28 mi (1,653.24 km) |
| Wandsworth to Orte | 856.80 mi (1,378.89 km) |
| Wandsworth to Ortona | 929.77 mi (1,496.33 km) |
| Wandsworth to Orvieto | 834.12 mi (1,342.39 km) |
| Wandsworth to Orzinuovi | 623.90 mi (1,004.07 km) |
| Wandsworth to Osimo | 841.00 mi (1,353.45 km) |
| Wandsworth to Ospitaletto | 621.06 mi (999.50 km) |
| Wandsworth to Ostuni | 1,123.46 mi (1,808.03 km) |
| Wandsworth to Ottaviano | 1,011.19 mi (1,627.35 km) |
| Wandsworth to Ovada | 622.36 mi (1,001.59 km) |
| Wandsworth to Ozieri | 869.50 mi (1,399.33 km) |
| Wandsworth to Paceco | 1,117.95 mi (1,799.16 km) |
