| Nivelles to Navodari | 1,208.07 mi (1,944.21 km) |
| Nivelles to Negresti-Oas | 879.70 mi (1,415.74 km) |
| Nivelles to Nehoiu | 1,074.66 mi (1,729.49 km) |
| Nivelles to Ocna Mures | 937.46 mi (1,508.70 km) |
| Nivelles to Odobesti | 1,094.71 mi (1,761.77 km) |
| Nivelles to Odorheiu Secuiesc | 1,002.03 mi (1,612.61 km) |
| Nivelles to Oltenita | 1,131.82 mi (1,821.48 km) |
| Nivelles to Onesti | 1,067.33 mi (1,717.70 km) |
| Nivelles to Oradea | 834.39 mi (1,342.82 km) |
| Nivelles to Orastie | 925.67 mi (1,489.72 km) |
| Nivelles to Oravita | 889.43 mi (1,431.40 km) |
| Nivelles to Orsova | 930.48 mi (1,497.45 km) |
| Nivelles to Otelu Rosu | 900.60 mi (1,449.38 km) |
| Nivelles to Otopeni | 1,091.38 mi (1,756.41 km) |
| Nivelles to Ovidiu | 1,207.53 mi (1,943.33 km) |
