| Lask to Octeville | 917.84 mi (1,477.12 km) |
| Lask to Oignies | 704.14 mi (1,133.20 km) |
| Lask to Oissel | 806.36 mi (1,297.71 km) |
| Lask to Olivet | 809.33 mi (1,302.49 km) |
| Lask to Ollioules | 850.55 mi (1,368.83 km) |
| Lask to Olonne-sur-Mer | 1,004.56 mi (1,616.69 km) |
| Lask to Oloron-Sainte-Marie | 1,085.15 mi (1,746.38 km) |
| Lask to Onet Village | 910.23 mi (1,464.87 km) |
| Lask to Onnaing | 679.44 mi (1,093.45 km) |
| Lask to Orange | 837.72 mi (1,348.18 km) |
| Lask to Orchies | 693.30 mi (1,115.76 km) |
| Lask to Orleans | 807.85 mi (1,300.11 km) |
| Lask to Orly | 764.66 mi (1,230.60 km) |
| Lask to Ormesson-sur-Marne | 757.43 mi (1,218.97 km) |
| Lask to Orsay | 774.53 mi (1,246.48 km) |
