| Bourne to Orbetello | 892.56 mi (1,436.44 km) |
| Bourne to Oria | 1,197.21 mi (1,926.72 km) |
| Bourne to Oristano | 984.57 mi (1,584.51 km) |
| Bourne to Orta Nova | 1,089.80 mi (1,753.87 km) |
| Bourne to Orte | 924.92 mi (1,488.52 km) |
| Bourne to Ortona | 992.71 mi (1,597.61 km) |
| Bourne to Orvieto | 902.27 mi (1,452.06 km) |
| Bourne to Orzinuovi | 689.25 mi (1,109.24 km) |
| Bourne to Osimo | 902.70 mi (1,452.76 km) |
| Bourne to Ospitaletto | 685.21 mi (1,102.73 km) |
| Bourne to Ostuni | 1,183.05 mi (1,903.93 km) |
| Bourne to Ottaviano | 1,078.09 mi (1,735.02 km) |
| Bourne to Ovada | 695.13 mi (1,118.70 km) |
| Bourne to Ozieri | 950.20 mi (1,529.20 km) |
| Bourne to Paceco | 1,194.76 mi (1,922.78 km) |
