| Dudelange to Octeville | 346.30 mi (557.32 km) |
| Dudelange to Oignies | 153.24 mi (246.62 km) |
| Dudelange to Oissel | 224.57 mi (361.41 km) |
| Dudelange to Olivet | 221.17 mi (355.94 km) |
| Dudelange to Ollioules | 438.47 mi (705.64 km) |
| Dudelange to Olonne-sur-Mer | 416.03 mi (669.54 km) |
| Dudelange to Oloron-Sainte-Marie | 538.67 mi (866.90 km) |
| Dudelange to Onet Village | 389.95 mi (627.57 km) |
| Dudelange to Onnaing | 126.96 mi (204.32 km) |
| Dudelange to Orange | 374.17 mi (602.16 km) |
| Dudelange to Orchies | 143.53 mi (230.99 km) |
| Dudelange to Orleans | 219.44 mi (353.16 km) |
| Dudelange to Orly | 174.53 mi (280.88 km) |
| Dudelange to Ormesson-sur-Marne | 167.33 mi (269.29 km) |
| Dudelange to Orsay | 184.41 mi (296.77 km) |
