| Landgraaf to Octeville | 350.06 mi (563.37 km) |
| Landgraaf to Oignies | 136.31 mi (219.36 km) |
| Landgraaf to Oissel | 243.99 mi (392.67 km) |
| Landgraaf to Olivet | 280.51 mi (451.44 km) |
| Landgraaf to Ollioules | 536.85 mi (863.97 km) |
| Landgraaf to Olonne-sur-Mer | 466.19 mi (750.26 km) |
| Landgraaf to Oloron-Sainte-Marie | 617.23 mi (993.33 km) |
| Landgraaf to Onet Village | 479.39 mi (771.50 km) |
| Landgraaf to Onnaing | 112.43 mi (180.94 km) |
| Landgraaf to Orange | 471.19 mi (758.31 km) |
| Landgraaf to Orchies | 125.54 mi (202.04 km) |
| Landgraaf to Orleans | 278.22 mi (447.75 km) |
| Landgraaf to Orly | 220.50 mi (354.86 km) |
| Landgraaf to Ormesson-sur-Marne | 213.74 mi (343.98 km) |
| Landgraaf to Orsay | 229.46 mi (369.28 km) |
