| Differdange to Navodari | 1,125.74 mi (1,811.70 km) |
| Differdange to Negresti-Oas | 805.81 mi (1,296.82 km) |
| Differdange to Nehoiu | 992.99 mi (1,598.06 km) |
| Differdange to Ocna Mures | 856.83 mi (1,378.94 km) |
| Differdange to Odobesti | 1,015.52 mi (1,634.31 km) |
| Differdange to Odorheiu Secuiesc | 922.89 mi (1,485.24 km) |
| Differdange to Oltenita | 1,046.34 mi (1,683.92 km) |
| Differdange to Onesti | 989.72 mi (1,592.81 km) |
| Differdange to Oradea | 754.42 mi (1,214.13 km) |
| Differdange to Orastie | 841.89 mi (1,354.89 km) |
| Differdange to Oravita | 800.49 mi (1,288.27 km) |
| Differdange to Orsova | 841.47 mi (1,354.21 km) |
| Differdange to Otelu Rosu | 814.35 mi (1,310.57 km) |
| Differdange to Otopeni | 1,006.65 mi (1,620.05 km) |
| Differdange to Ovidiu | 1,124.97 mi (1,810.47 km) |
