| Manzanares el Real to Nasaud | 1,466.66 mi (2,360.35 km) |
| Manzanares el Real to Navodari | 1,661.07 mi (2,673.23 km) |
| Manzanares el Real to Negresti-Oas | 1,427.62 mi (2,297.53 km) |
| Manzanares el Real to Nehoiu | 1,546.92 mi (2,489.52 km) |
| Manzanares el Real to Ocna Mures | 1,433.80 mi (2,307.48 km) |
| Manzanares el Real to Odobesti | 1,584.43 mi (2,549.90 km) |
| Manzanares el Real to Odorheiu Secuiesc | 1,501.83 mi (2,416.96 km) |
| Manzanares el Real to Oltenita | 1,563.96 mi (2,516.95 km) |
| Manzanares el Real to Onesti | 1,571.51 mi (2,529.10 km) |
| Manzanares el Real to Oradea | 1,349.05 mi (2,171.09 km) |
| Manzanares el Real to Orastie | 1,398.84 mi (2,251.22 km) |
| Manzanares el Real to Oravita | 1,321.28 mi (2,126.39 km) |
| Manzanares el Real to Orsova | 1,354.79 mi (2,180.32 km) |
| Manzanares el Real to Otelu Rosu | 1,356.16 mi (2,182.53 km) |
| Manzanares el Real to Otopeni | 1,535.18 mi (2,470.63 km) |
