| Coulsdon to Orbetello | 812.97 mi (1,308.35 km) |
| Coulsdon to Oria | 1,129.95 mi (1,818.48 km) |
| Coulsdon to Oristano | 893.03 mi (1,437.19 km) |
| Coulsdon to Orta Nova | 1,019.92 mi (1,641.40 km) |
| Coulsdon to Orte | 848.96 mi (1,366.26 km) |
| Coulsdon to Ortona | 922.40 mi (1,484.46 km) |
| Coulsdon to Orvieto | 826.28 mi (1,329.77 km) |
| Coulsdon to Orzinuovi | 616.40 mi (992.00 km) |
| Coulsdon to Osimo | 833.76 mi (1,341.81 km) |
| Coulsdon to Ospitaletto | 613.68 mi (987.62 km) |
| Coulsdon to Ostuni | 1,116.36 mi (1,796.60 km) |
| Coulsdon to Ottaviano | 1,003.42 mi (1,614.85 km) |
| Coulsdon to Ovada | 614.14 mi (988.37 km) |
| Coulsdon to Ozieri | 860.54 mi (1,384.90 km) |
| Coulsdon to Paceco | 1,109.29 mi (1,785.22 km) |
