| Chichester to Orbetello | 810.61 mi (1,304.55 km) |
| Chichester to Oria | 1,134.91 mi (1,826.46 km) |
| Chichester to Oristano | 880.04 mi (1,416.29 km) |
| Chichester to Orta Nova | 1,023.52 mi (1,647.20 km) |
| Chichester to Orte | 849.07 mi (1,366.45 km) |
| Chichester to Ortona | 926.00 mi (1,490.25 km) |
| Chichester to Orvieto | 826.45 mi (1,330.05 km) |
| Chichester to Orzinuovi | 619.67 mi (997.27 km) |
| Chichester to Osimo | 838.50 mi (1,349.44 km) |
| Chichester to Ospitaletto | 617.84 mi (994.31 km) |
| Chichester to Ostuni | 1,121.68 mi (1,805.16 km) |
| Chichester to Ottaviano | 1,003.99 mi (1,615.76 km) |
| Chichester to Ovada | 611.61 mi (984.29 km) |
| Chichester to Ozieri | 849.54 mi (1,367.20 km) |
| Chichester to Paceco | 1,101.57 mi (1,772.81 km) |
