| Birecik to Opwijk | 1,912.19 mi (3,077.37 km) |
| Birecik to Ostend | 1,969.86 mi (3,170.18 km) |
| Birecik to Oud-Heverlee | 1,889.34 mi (3,040.60 km) |
| Birecik to Oud-Turnhout | 1,886.57 mi (3,036.15 km) |
| Birecik to Oudenaarde | 1,934.23 mi (3,112.85 km) |
| Birecik to Oudenburg | 1,965.69 mi (3,163.47 km) |
| Birecik to Oupeye | 1,846.08 mi (2,970.97 km) |
| Birecik to Overijse | 1,893.88 mi (3,047.90 km) |
| Birecik to Overpelt | 1,866.61 mi (3,004.02 km) |
| Birecik to Paal | 1,872.72 mi (3,013.85 km) |
| Birecik to Peer | 1,863.22 mi (2,998.57 km) |
| Birecik to Pepinster | 1,835.79 mi (2,954.42 km) |
| Birecik to Peruwelz | 1,928.64 mi (3,103.84 km) |
| Birecik to Perwez | 1,878.86 mi (3,023.73 km) |
| Birecik to Philippeville | 1,881.68 mi (3,028.27 km) |
