| Langgons to Octeville | 460.86 mi (741.68 km) |
| Langgons to Oignies | 249.36 mi (401.30 km) |
| Langgons to Oissel | 346.19 mi (557.14 km) |
| Langgons to Olivet | 355.54 mi (572.19 km) |
| Langgons to Ollioules | 525.65 mi (845.95 km) |
| Langgons to Olonne-sur-Mer | 549.99 mi (885.12 km) |
| Langgons to Oloron-Sainte-Marie | 667.44 mi (1,074.14 km) |
| Langgons to Onet Village | 509.73 mi (820.33 km) |
| Langgons to Onnaing | 223.11 mi (359.07 km) |
| Langgons to Orange | 475.06 mi (764.54 km) |
| Langgons to Orchies | 238.33 mi (383.55 km) |
| Langgons to Orleans | 353.75 mi (569.31 km) |
| Langgons to Orly | 305.79 mi (492.12 km) |
| Langgons to Ormesson-sur-Marne | 298.56 mi (480.49 km) |
| Langgons to Orsay | 315.59 mi (507.90 km) |
