| Landgraaf to Opwijk | 80.49 mi (129.54 km) |
| Landgraaf to Ostend | 136.81 mi (220.17 km) |
| Landgraaf to Oud-Heverlee | 59.66 mi (96.01 km) |
| Landgraaf to Oud-Turnhout | 53.44 mi (86.01 km) |
| Landgraaf to Oudenaarde | 105.99 mi (170.58 km) |
| Landgraaf to Oudenburg | 132.96 mi (213.98 km) |
| Landgraaf to Oupeye | 21.81 mi (35.11 km) |
| Landgraaf to Overijse | 65.85 mi (105.98 km) |
| Landgraaf to Overpelt | 34.10 mi (54.87 km) |
| Landgraaf to Paal | 38.36 mi (61.74 km) |
| Landgraaf to Peer | 29.45 mi (47.40 km) |
| Landgraaf to Pepinster | 25.37 mi (40.83 km) |
| Landgraaf to Peruwelz | 110.39 mi (177.66 km) |
| Landgraaf to Perwez | 56.60 mi (91.09 km) |
| Landgraaf to Philippeville | 81.33 mi (130.88 km) |
