| Rayleigh to Orbetello | 803.99 mi (1,293.90 km) |
| Rayleigh to Oria | 1,114.60 mi (1,793.77 km) |
| Rayleigh to Oristano | 892.95 mi (1,437.06 km) |
| Rayleigh to Orta Nova | 1,005.76 mi (1,618.61 km) |
| Rayleigh to Orte | 837.87 mi (1,348.43 km) |
| Rayleigh to Ortona | 908.38 mi (1,461.90 km) |
| Rayleigh to Orvieto | 815.19 mi (1,311.92 km) |
| Rayleigh to Orzinuovi | 603.38 mi (971.04 km) |
| Rayleigh to Osimo | 819.00 mi (1,318.06 km) |
| Rayleigh to Ospitaletto | 599.96 mi (965.54 km) |
| Rayleigh to Ostuni | 1,100.73 mi (1,771.46 km) |
| Rayleigh to Ottaviano | 991.72 mi (1,596.01 km) |
| Rayleigh to Ovada | 605.88 mi (975.08 km) |
| Rayleigh to Ozieri | 858.79 mi (1,382.08 km) |
| Rayleigh to Paceco | 1,104.31 mi (1,777.22 km) |
