| Merchweiler to Octeville | 390.80 mi (628.93 km) |
| Merchweiler to Oignies | 196.44 mi (316.14 km) |
| Merchweiler to Oissel | 268.57 mi (432.23 km) |
| Merchweiler to Olivet | 257.30 mi (414.08 km) |
| Merchweiler to Ollioules | 433.70 mi (697.97 km) |
| Merchweiler to Olonne-sur-Mer | 452.58 mi (728.36 km) |
| Merchweiler to Oloron-Sainte-Marie | 561.16 mi (903.09 km) |
| Merchweiler to Onet Village | 404.33 mi (650.70 km) |
| Merchweiler to Onnaing | 169.69 mi (273.09 km) |
| Merchweiler to Orange | 376.16 mi (605.37 km) |
| Merchweiler to Orchies | 186.38 mi (299.94 km) |
| Merchweiler to Orleans | 255.80 mi (411.68 km) |
| Merchweiler to Orly | 215.55 mi (346.89 km) |
| Merchweiler to Ormesson-sur-Marne | 208.44 mi (335.46 km) |
| Merchweiler to Orsay | 225.39 mi (362.72 km) |
