| Lillerod to Oignies | 536.79 mi (863.88 km) |
| Lillerod to Oissel | 651.34 mi (1,048.24 km) |
| Lillerod to Olivet | 708.56 mi (1,140.32 km) |
| Lillerod to Ollioules | 925.50 mi (1,489.44 km) |
| Lillerod to Olonne-sur-Mer | 885.05 mi (1,424.35 km) |
| Lillerod to Oloron-Sainte-Marie | 1,046.94 mi (1,684.89 km) |
| Lillerod to Onet Village | 902.53 mi (1,452.47 km) |
| Lillerod to Onnaing | 523.43 mi (842.38 km) |
| Lillerod to Orange | 875.53 mi (1,409.03 km) |
| Lillerod to Orchies | 529.13 mi (851.55 km) |
| Lillerod to Orleans | 706.15 mi (1,136.44 km) |
| Lillerod to Orly | 645.99 mi (1,039.62 km) |
| Lillerod to Ormesson-sur-Marne | 639.72 mi (1,029.53 km) |
| Lillerod to Orsay | 654.13 mi (1,052.72 km) |
| Lillerod to Orthez | 1,033.23 mi (1,662.82 km) |
