| Leopoldsburg to Oria | 942.61 mi (1,516.98 km) |
| Leopoldsburg to Oristano | 791.05 mi (1,273.08 km) |
| Leopoldsburg to Orta Nova | 839.06 mi (1,350.34 km) |
| Leopoldsburg to Orte | 685.92 mi (1,103.89 km) |
| Leopoldsburg to Ortona | 743.38 mi (1,196.35 km) |
| Leopoldsburg to Orvieto | 663.69 mi (1,068.10 km) |
| Leopoldsburg to Orzinuovi | 449.58 mi (723.53 km) |
| Leopoldsburg to Osimo | 652.43 mi (1,049.99 km) |
| Leopoldsburg to Ospitaletto | 443.20 mi (713.26 km) |
| Leopoldsburg to Ostuni | 927.90 mi (1,493.31 km) |
| Leopoldsburg to Ottaviano | 834.74 mi (1,343.39 km) |
| Leopoldsburg to Ovada | 474.21 mi (763.17 km) |
| Leopoldsburg to Ozieri | 749.45 mi (1,206.12 km) |
| Leopoldsburg to Paceco | 974.75 mi (1,568.72 km) |
| Leopoldsburg to Pachino | 1,106.76 mi (1,781.16 km) |
