| Belen to Opwijk | 1,863.34 mi (2,998.75 km) |
| Belen to Ostend | 1,921.01 mi (3,091.57 km) |
| Belen to Oud-Heverlee | 1,840.39 mi (2,961.82 km) |
| Belen to Oud-Turnhout | 1,839.51 mi (2,960.40 km) |
| Belen to Oudenaarde | 1,884.59 mi (3,032.96 km) |
| Belen to Oudenburg | 1,916.76 mi (3,084.72 km) |
| Belen to Oupeye | 1,797.44 mi (2,892.70 km) |
| Belen to Overijse | 1,844.66 mi (2,968.70 km) |
| Belen to Overpelt | 1,819.55 mi (2,928.28 km) |
| Belen to Paal | 1,824.85 mi (2,936.81 km) |
| Belen to Peer | 1,815.90 mi (2,922.41 km) |
| Belen to Pepinster | 1,786.80 mi (2,875.58 km) |
| Belen to Peruwelz | 1,877.87 mi (3,022.15 km) |
| Belen to Perwez | 1,829.31 mi (2,943.98 km) |
| Belen to Philippeville | 1,830.49 mi (2,945.90 km) |
