| Hadim to Opwijk | 1,688.86 mi (2,717.95 km) |
| Hadim to Ostend | 1,746.30 mi (2,810.41 km) |
| Hadim to Oud-Heverlee | 1,665.86 mi (2,680.95 km) |
| Hadim to Oud-Turnhout | 1,667.50 mi (2,683.59 km) |
| Hadim to Oudenaarde | 1,708.98 mi (2,750.34 km) |
| Hadim to Oudenburg | 1,741.95 mi (2,803.40 km) |
| Hadim to Oupeye | 1,623.51 mi (2,612.79 km) |
| Hadim to Overijse | 1,669.77 mi (2,687.23 km) |
| Hadim to Overpelt | 1,647.63 mi (2,651.61 km) |
| Hadim to Paal | 1,651.83 mi (2,658.37 km) |
| Hadim to Peer | 1,643.65 mi (2,645.20 km) |
| Hadim to Pepinster | 1,612.45 mi (2,594.99 km) |
| Hadim to Peruwelz | 1,700.83 mi (2,737.23 km) |
| Hadim to Perwez | 1,654.03 mi (2,661.91 km) |
| Hadim to Philippeville | 1,653.09 mi (2,660.39 km) |
