| Bacup to Orbetello | 991.13 mi (1,595.07 km) |
| Bacup to Oria | 1,296.29 mi (2,086.18 km) |
| Bacup to Oristano | 1,078.59 mi (1,735.83 km) |
| Bacup to Orta Nova | 1,189.04 mi (1,913.57 km) |
| Bacup to Orte | 1,023.97 mi (1,647.93 km) |
| Bacup to Ortona | 1,091.96 mi (1,757.33 km) |
| Bacup to Orvieto | 1,001.31 mi (1,611.45 km) |
| Bacup to Orzinuovi | 788.44 mi (1,268.88 km) |
| Bacup to Osimo | 1,001.92 mi (1,612.44 km) |
| Bacup to Ospitaletto | 784.44 mi (1,262.44 km) |
| Bacup to Ostuni | 1,282.09 mi (2,063.33 km) |
| Bacup to Ottaviano | 1,177.26 mi (1,894.62 km) |
| Bacup to Ovada | 793.33 mi (1,276.74 km) |
| Bacup to Ozieri | 1,045.40 mi (1,682.40 km) |
| Bacup to Paceco | 1,291.92 mi (2,079.14 km) |
