| Belas to Opwijk | 1,065.87 mi (1,715.35 km) |
| Belas to Ostend | 1,043.30 mi (1,679.04 km) |
| Belas to Oud-Heverlee | 1,073.78 mi (1,728.08 km) |
| Belas to Oud-Turnhout | 1,107.29 mi (1,782.00 km) |
| Belas to Oudenaarde | 1,042.77 mi (1,678.18 km) |
| Belas to Oudenburg | 1,043.25 mi (1,678.94 km) |
| Belas to Oupeye | 1,098.35 mi (1,767.62 km) |
| Belas to Overijse | 1,067.23 mi (1,717.55 km) |
| Belas to Overpelt | 1,115.55 mi (1,795.30 km) |
| Belas to Paal | 1,099.40 mi (1,769.32 km) |
| Belas to Peer | 1,112.62 mi (1,790.59 km) |
| Belas to Pepinster | 1,097.34 mi (1,766.00 km) |
| Belas to Peruwelz | 1,025.23 mi (1,649.95 km) |
| Belas to Perwez | 1,068.13 mi (1,718.99 km) |
| Belas to Philippeville | 1,039.29 mi (1,672.58 km) |
