| Strombeek-Bever to Oria | 960.47 mi (1,545.72 km) |
| Strombeek-Bever to Oristano | 787.32 mi (1,267.07 km) |
| Strombeek-Bever to Orta Nova | 854.80 mi (1,375.67 km) |
| Strombeek-Bever to Orte | 696.17 mi (1,120.37 km) |
| Strombeek-Bever to Ortona | 758.30 mi (1,220.37 km) |
| Strombeek-Bever to Orvieto | 673.70 mi (1,084.22 km) |
| Strombeek-Bever to Orzinuovi | 459.23 mi (739.06 km) |
| Strombeek-Bever to Osimo | 667.68 mi (1,074.53 km) |
| Strombeek-Bever to Ospitaletto | 453.86 mi (730.42 km) |
| Strombeek-Bever to Ostuni | 946.06 mi (1,522.53 km) |
| Strombeek-Bever to Ottaviano | 847.09 mi (1,363.26 km) |
| Strombeek-Bever to Ovada | 476.79 mi (767.32 km) |
| Strombeek-Bever to Ozieri | 747.45 mi (1,202.91 km) |
| Strombeek-Bever to Paceco | 979.01 mi (1,575.57 km) |
| Strombeek-Bever to Pachino | 1,114.90 mi (1,794.26 km) |
