| Longbridge to Orbetello | 921.00 mi (1,482.21 km) |
| Longbridge to Oria | 1,236.60 mi (1,990.12 km) |
| Longbridge to Oristano | 997.97 mi (1,606.07 km) |
| Longbridge to Orta Nova | 1,127.07 mi (1,813.85 km) |
| Longbridge to Orte | 956.88 mi (1,539.94 km) |
| Longbridge to Ortona | 1,029.59 mi (1,656.97 km) |
| Longbridge to Orvieto | 934.19 mi (1,503.44 km) |
| Longbridge to Orzinuovi | 723.85 mi (1,164.93 km) |
| Longbridge to Osimo | 940.64 mi (1,513.82 km) |
| Longbridge to Ospitaletto | 720.91 mi (1,160.19 km) |
| Longbridge to Ostuni | 1,222.87 mi (1,968.02 km) |
| Longbridge to Ottaviano | 1,111.26 mi (1,788.40 km) |
| Longbridge to Ovada | 722.16 mi (1,162.20 km) |
| Longbridge to Ozieri | 966.51 mi (1,555.45 km) |
| Longbridge to Paceco | 1,216.56 mi (1,957.86 km) |
