| Backa Palanka to Orbetello | 451.56 mi (726.72 km) |
| Backa Palanka to Oria | 340.14 mi (547.41 km) |
| Backa Palanka to Oristano | 661.48 mi (1,064.54 km) |
| Backa Palanka to Orta Nova | 328.16 mi (528.11 km) |
| Backa Palanka to Orte | 398.88 mi (641.93 km) |
| Backa Palanka to Ortona | 319.77 mi (514.62 km) |
| Backa Palanka to Orvieto | 402.21 mi (647.29 km) |
| Backa Palanka to Orzinuovi | 459.73 mi (739.86 km) |
| Backa Palanka to Osimo | 316.61 mi (509.54 km) |
| Backa Palanka to Ospitaletto | 452.69 mi (728.54 km) |
| Backa Palanka to Ostuni | 325.27 mi (523.48 km) |
| Backa Palanka to Ottaviano | 392.51 mi (631.69 km) |
| Backa Palanka to Ovada | 527.19 mi (848.42 km) |
| Backa Palanka to Ozieri | 616.23 mi (991.73 km) |
| Backa Palanka to Paceco | 613.72 mi (987.69 km) |
