| Chatteris to Orbetello | 864.37 mi (1,391.07 km) |
| Chatteris to Oria | 1,169.63 mi (1,882.34 km) |
| Chatteris to Oristano | 956.92 mi (1,540.01 km) |
| Chatteris to Orta Nova | 1,062.02 mi (1,709.16 km) |
| Chatteris to Orte | 896.82 mi (1,443.29 km) |
| Chatteris to Ortona | 964.89 mi (1,552.83 km) |
| Chatteris to Orvieto | 874.16 mi (1,406.82 km) |
| Chatteris to Orzinuovi | 661.23 mi (1,064.14 km) |
| Chatteris to Osimo | 874.95 mi (1,408.10 km) |
| Chatteris to Ospitaletto | 657.25 mi (1,057.73 km) |
| Chatteris to Ostuni | 1,155.51 mi (1,859.62 km) |
| Chatteris to Ottaviano | 1,050.05 mi (1,689.89 km) |
| Chatteris to Ovada | 666.93 mi (1,073.32 km) |
| Chatteris to Ozieri | 922.35 mi (1,484.38 km) |
| Chatteris to Paceco | 1,166.62 mi (1,877.50 km) |
