| Hoyo de Manzanares to Nasaud | 1,470.69 mi (2,366.84 km) |
| Hoyo de Manzanares to Navodari | 1,664.34 mi (2,678.49 km) |
| Hoyo de Manzanares to Negresti-Oas | 1,431.82 mi (2,304.29 km) |
| Hoyo de Manzanares to Nehoiu | 1,550.44 mi (2,495.19 km) |
| Hoyo de Manzanares to Ocna Mures | 1,437.62 mi (2,313.62 km) |
| Hoyo de Manzanares to Odobesti | 1,588.05 mi (2,555.72 km) |
| Hoyo de Manzanares to Odorheiu Secuiesc | 1,505.60 mi (2,423.03 km) |
| Hoyo de Manzanares to Oltenita | 1,567.16 mi (2,522.09 km) |
| Hoyo de Manzanares to Onesti | 1,575.25 mi (2,535.13 km) |
| Hoyo de Manzanares to Oradea | 1,353.10 mi (2,177.60 km) |
| Hoyo de Manzanares to Orastie | 1,402.53 mi (2,257.15 km) |
| Hoyo de Manzanares to Oravita | 1,324.75 mi (2,131.99 km) |
| Hoyo de Manzanares to Orsova | 1,358.16 mi (2,185.75 km) |
| Hoyo de Manzanares to Otelu Rosu | 1,359.77 mi (2,188.33 km) |
| Hoyo de Manzanares to Otopeni | 1,538.49 mi (2,475.96 km) |
