| Redhill to Orbetello | 810.07 mi (1,303.67 km) |
| Redhill to Oria | 1,127.98 mi (1,815.31 km) |
| Redhill to Oristano | 888.98 mi (1,430.67 km) |
| Redhill to Orta Nova | 1,017.76 mi (1,637.93 km) |
| Redhill to Orte | 846.35 mi (1,362.07 km) |
| Redhill to Ortona | 920.23 mi (1,480.97 km) |
| Redhill to Orvieto | 823.68 mi (1,325.58 km) |
| Redhill to Orzinuovi | 614.14 mi (988.36 km) |
| Redhill to Osimo | 831.73 mi (1,338.54 km) |
| Redhill to Ospitaletto | 611.53 mi (984.16 km) |
| Redhill to Ostuni | 1,114.43 mi (1,793.50 km) |
| Redhill to Ottaviano | 1,000.89 mi (1,610.78 km) |
| Redhill to Ovada | 611.18 mi (983.60 km) |
| Redhill to Ozieri | 856.69 mi (1,378.71 km) |
| Redhill to Paceco | 1,105.81 mi (1,779.63 km) |
