| Diekirch to Octeville | 348.46 mi (560.80 km) |
| Diekirch to Oignies | 146.00 mi (234.97 km) |
| Diekirch to Oissel | 229.65 mi (369.59 km) |
| Diekirch to Olivet | 237.84 mi (382.77 km) |
| Diekirch to Ollioules | 465.14 mi (748.57 km) |
| Diekirch to Olonne-sur-Mer | 431.33 mi (694.16 km) |
| Diekirch to Oloron-Sainte-Marie | 561.62 mi (903.84 km) |
| Diekirch to Onet Village | 415.34 mi (668.42 km) |
| Diekirch to Onnaing | 118.88 mi (191.31 km) |
| Diekirch to Orange | 400.93 mi (645.23 km) |
| Diekirch to Orchies | 135.52 mi (218.10 km) |
| Diekirch to Orleans | 235.93 mi (379.69 km) |
| Diekirch to Orly | 186.48 mi (300.11 km) |
| Diekirch to Ormesson-sur-Marne | 179.26 mi (288.48 km) |
| Diekirch to Orsay | 196.28 mi (315.88 km) |
