| Windlesham to Orbetello | 831.05 mi (1,337.44 km) |
| Windlesham to Oria | 1,150.11 mi (1,850.92 km) |
| Windlesham to Oristano | 907.27 mi (1,460.11 km) |
| Windlesham to Orta Nova | 1,039.73 mi (1,673.28 km) |
| Windlesham to Orte | 867.78 mi (1,396.56 km) |
| Windlesham to Ortona | 942.19 mi (1,516.30 km) |
| Windlesham to Orvieto | 845.12 mi (1,360.09 km) |
| Windlesham to Orzinuovi | 636.01 mi (1,023.55 km) |
| Windlesham to Osimo | 853.81 mi (1,374.08 km) |
| Windlesham to Ospitaletto | 633.51 mi (1,019.54 km) |
| Windlesham to Ostuni | 1,136.60 mi (1,829.17 km) |
| Windlesham to Ottaviano | 1,022.41 mi (1,645.42 km) |
| Windlesham to Ovada | 632.09 mi (1,017.25 km) |
| Windlesham to Ozieri | 875.58 mi (1,409.11 km) |
| Windlesham to Paceco | 1,125.63 mi (1,811.53 km) |
