| Galmaarden to Ostend | 56.17 mi (90.40 km) |
| Galmaarden to Oud-Heverlee | 31.11 mi (50.07 km) |
| Galmaarden to Oud-Turnhout | 59.03 mi (94.99 km) |
| Galmaarden to Oudenaarde | 17.44 mi (28.07 km) |
| Galmaarden to Oudenburg | 51.63 mi (83.09 km) |
| Galmaarden to Oupeye | 73.37 mi (118.08 km) |
| Galmaarden to Overijse | 24.87 mi (40.02 km) |
| Galmaarden to Overpelt | 70.83 mi (114.00 km) |
| Galmaarden to Paal | 56.23 mi (90.50 km) |
| Galmaarden to Peer | 69.93 mi (112.54 km) |
| Galmaarden to Pepinster | 82.01 mi (131.99 km) |
| Galmaarden to Peruwelz | 23.28 mi (37.47 km) |
| Galmaarden to Perwez | 38.14 mi (61.38 km) |
| Galmaarden to Philippeville | 45.85 mi (73.78 km) |
| Galmaarden to Plombieres | 86.72 mi (139.57 km) |
