| Bierbeek to Navodari | 1,192.48 mi (1,919.11 km) |
| Bierbeek to Negresti-Oas | 861.81 mi (1,386.96 km) |
| Bierbeek to Nehoiu | 1,058.93 mi (1,704.18 km) |
| Bierbeek to Ocna Mures | 921.51 mi (1,483.03 km) |
| Bierbeek to Odobesti | 1,078.16 mi (1,735.13 km) |
| Bierbeek to Odorheiu Secuiesc | 985.54 mi (1,586.07 km) |
| Bierbeek to Oltenita | 1,117.43 mi (1,798.32 km) |
| Bierbeek to Onesti | 1,050.32 mi (1,690.32 km) |
| Bierbeek to Oradea | 818.34 mi (1,316.99 km) |
| Bierbeek to Orastie | 910.82 mi (1,465.82 km) |
| Bierbeek to Oravita | 876.71 mi (1,410.92 km) |
| Bierbeek to Orsova | 917.74 mi (1,476.96 km) |
| Bierbeek to Otelu Rosu | 886.73 mi (1,427.05 km) |
| Bierbeek to Otopeni | 1,076.74 mi (1,732.84 km) |
| Bierbeek to Ovidiu | 1,192.02 mi (1,918.36 km) |
