| Roetgen to Octeville | 354.27 mi (570.14 km) |
| Roetgen to Oignies | 141.28 mi (227.37 km) |
| Roetgen to Oissel | 244.18 mi (392.96 km) |
| Roetgen to Olivet | 273.13 mi (439.56 km) |
| Roetgen to Ollioules | 519.20 mi (835.57 km) |
| Roetgen to Olonne-sur-Mer | 461.67 mi (742.99 km) |
| Roetgen to Oloron-Sainte-Marie | 606.50 mi (976.06 km) |
| Roetgen to Onet Village | 465.55 mi (749.23 km) |
| Roetgen to Onnaing | 115.72 mi (186.24 km) |
| Roetgen to Orange | 454.57 mi (731.56 km) |
| Roetgen to Orchies | 130.29 mi (209.68 km) |
| Roetgen to Orleans | 270.93 mi (436.02 km) |
| Roetgen to Orly | 215.12 mi (346.20 km) |
| Roetgen to Ormesson-sur-Marne | 208.16 mi (335.00 km) |
| Roetgen to Orsay | 224.39 mi (361.13 km) |
