| Lillers to Oignies | 23.41 mi (37.67 km) |
| Lillers to Oissel | 104.62 mi (168.37 km) |
| Lillers to Olivet | 188.37 mi (303.15 km) |
| Lillers to Ollioules | 536.89 mi (864.04 km) |
| Lillers to Olonne-sur-Mer | 339.44 mi (546.28 km) |
| Lillers to Oloron-Sainte-Marie | 529.53 mi (852.20 km) |
| Lillers to Onet Village | 428.27 mi (689.24 km) |
| Lillers to Onnaing | 50.56 mi (81.37 km) |
| Lillers to Orange | 457.06 mi (735.57 km) |
| Lillers to Orchies | 34.05 mi (54.79 km) |
| Lillers to Orleans | 185.67 mi (298.81 km) |
| Lillers to Orly | 125.79 mi (202.44 km) |
| Lillers to Ormesson-sur-Marne | 122.86 mi (197.72 km) |
| Lillers to Orsay | 129.56 mi (208.51 km) |
| Lillers to Orthez | 512.18 mi (824.27 km) |
