| Langenthal to Octeville | 462.80 mi (744.81 km) |
| Langenthal to Oignies | 312.82 mi (503.44 km) |
| Langenthal to Oissel | 340.78 mi (548.43 km) |
| Langenthal to Olivet | 277.93 mi (447.29 km) |
| Langenthal to Ollioules | 297.06 mi (478.06 km) |
| Langenthal to Olonne-sur-Mer | 453.49 mi (729.83 km) |
| Langenthal to Oloron-Sainte-Marie | 493.59 mi (794.36 km) |
| Langenthal to Onet Village | 318.19 mi (512.07 km) |
| Langenthal to Onnaing | 290.22 mi (467.06 km) |
| Langenthal to Orange | 256.56 mi (412.90 km) |
| Langenthal to Orchies | 305.29 mi (491.31 km) |
| Langenthal to Orleans | 277.89 mi (447.22 km) |
| Langenthal to Orly | 270.64 mi (435.56 km) |
| Langenthal to Ormesson-sur-Marne | 265.54 mi (427.35 km) |
| Langenthal to Orsay | 278.33 mi (447.94 km) |
