| Dudelange to Navodari | 1,116.80 mi (1,797.32 km) |
| Dudelange to Negresti-Oas | 797.15 mi (1,282.88 km) |
| Dudelange to Nehoiu | 984.07 mi (1,583.71 km) |
| Dudelange to Ocna Mures | 847.95 mi (1,364.65 km) |
| Dudelange to Odobesti | 1,006.66 mi (1,620.07 km) |
| Dudelange to Odorheiu Secuiesc | 914.04 mi (1,471.00 km) |
| Dudelange to Oltenita | 1,037.36 mi (1,669.47 km) |
| Dudelange to Onesti | 980.92 mi (1,578.64 km) |
| Dudelange to Oradea | 745.57 mi (1,199.87 km) |
| Dudelange to Orastie | 832.94 mi (1,340.48 km) |
| Dudelange to Oravita | 791.49 mi (1,273.77 km) |
| Dudelange to Orsova | 832.46 mi (1,339.72 km) |
| Dudelange to Otelu Rosu | 805.36 mi (1,296.10 km) |
| Dudelange to Otopeni | 997.68 mi (1,605.61 km) |
| Dudelange to Ovidiu | 1,116.03 mi (1,796.08 km) |
