| Farnborough to Orbetello | 830.59 mi (1,336.71 km) |
| Farnborough to Oria | 1,150.69 mi (1,851.86 km) |
| Farnborough to Oristano | 905.34 mi (1,457.00 km) |
| Farnborough to Orta Nova | 1,040.11 mi (1,673.90 km) |
| Farnborough to Orte | 867.68 mi (1,396.39 km) |
| Farnborough to Ortona | 942.57 mi (1,516.92 km) |
| Farnborough to Orvieto | 845.02 mi (1,359.92 km) |
| Farnborough to Orzinuovi | 636.32 mi (1,024.06 km) |
| Farnborough to Osimo | 854.35 mi (1,374.94 km) |
| Farnborough to Ospitaletto | 633.95 mi (1,020.24 km) |
| Farnborough to Ostuni | 1,137.23 mi (1,830.19 km) |
| Farnborough to Ottaviano | 1,022.38 mi (1,645.36 km) |
| Farnborough to Ovada | 631.60 mi (1,016.45 km) |
| Farnborough to Ozieri | 873.93 mi (1,406.45 km) |
| Farnborough to Paceco | 1,124.44 mi (1,809.61 km) |
