| La Calamine to Ostend | 138.88 mi (223.51 km) |
| La Calamine to Oud-Heverlee | 58.99 mi (94.93 km) |
| La Calamine to Oud-Turnhout | 61.39 mi (98.80 km) |
| La Calamine to Oudenaarde | 105.37 mi (169.57 km) |
| La Calamine to Oudenburg | 134.80 mi (216.94 km) |
| La Calamine to Oupeye | 15.63 mi (25.15 km) |
| La Calamine to Overijse | 64.39 mi (103.62 km) |
| La Calamine to Overpelt | 43.81 mi (70.50 km) |
| La Calamine to Paal | 43.01 mi (69.22 km) |
| La Calamine to Peer | 38.22 mi (61.51 km) |
| La Calamine to Pepinster | 12.22 mi (19.67 km) |
| La Calamine to Peruwelz | 106.72 mi (171.74 km) |
| La Calamine to Perwez | 52.16 mi (83.95 km) |
| La Calamine to Philippeville | 72.54 mi (116.75 km) |
| La Calamine to Plombieres | 3.17 mi (5.11 km) |
