| Roelofarendsveen to Navodari | 1,222.29 mi (1,967.08 km) |
| Roelofarendsveen to Negresti-Oas | 882.94 mi (1,420.95 km) |
| Roelofarendsveen to Nehoiu | 1,088.68 mi (1,752.07 km) |
| Roelofarendsveen to Ocna Mures | 951.01 mi (1,530.50 km) |
| Roelofarendsveen to Odobesti | 1,104.26 mi (1,777.14 km) |
| Roelofarendsveen to Odorheiu Secuiesc | 1,012.34 mi (1,629.20 km) |
| Roelofarendsveen to Oltenita | 1,152.45 mi (1,854.70 km) |
| Roelofarendsveen to Onesti | 1,074.45 mi (1,729.16 km) |
| Roelofarendsveen to Oradea | 848.10 mi (1,364.88 km) |
| Roelofarendsveen to Orastie | 944.97 mi (1,520.78 km) |
| Roelofarendsveen to Oravita | 919.20 mi (1,479.31 km) |
| Roelofarendsveen to Orsova | 959.96 mi (1,544.91 km) |
| Roelofarendsveen to Otelu Rosu | 924.85 mi (1,488.40 km) |
| Roelofarendsveen to Otopeni | 1,110.90 mi (1,787.83 km) |
| Roelofarendsveen to Ovidiu | 1,222.16 mi (1,966.87 km) |
