| Catford to Orbetello | 815.43 mi (1,312.31 km) |
| Catford to Oria | 1,130.67 mi (1,819.63 km) |
| Catford to Oristano | 897.75 mi (1,444.79 km) |
| Catford to Orta Nova | 1,020.97 mi (1,643.09 km) |
| Catford to Orte | 850.85 mi (1,369.31 km) |
| Catford to Ortona | 923.48 mi (1,486.20 km) |
| Catford to Orvieto | 828.17 mi (1,332.81 km) |
| Catford to Orzinuovi | 617.70 mi (994.09 km) |
| Catford to Osimo | 834.62 mi (1,343.18 km) |
| Catford to Ospitaletto | 614.78 mi (989.39 km) |
| Catford to Ostuni | 1,116.99 mi (1,797.62 km) |
| Catford to Ottaviano | 1,005.17 mi (1,617.66 km) |
| Catford to Ovada | 616.75 mi (992.56 km) |
| Catford to Ozieri | 864.86 mi (1,391.85 km) |
| Catford to Paceco | 1,112.84 mi (1,790.94 km) |
