| San Fernando de Henares to Nasaud | 1,461.27 mi (2,351.69 km) |
| San Fernando de Henares to Navodari | 1,652.02 mi (2,658.68 km) |
| San Fernando de Henares to Negresti-Oas | 1,423.12 mi (2,290.29 km) |
| San Fernando de Henares to Nehoiu | 1,539.03 mi (2,476.83 km) |
| San Fernando de Henares to Ocna Mures | 1,427.34 mi (2,297.08 km) |
| San Fernando de Henares to Odobesti | 1,577.01 mi (2,537.96 km) |
| San Fernando de Henares to Odorheiu Secuiesc | 1,495.15 mi (2,406.21 km) |
| San Fernando de Henares to Oltenita | 1,554.60 mi (2,501.88 km) |
| San Fernando de Henares to Onesti | 1,564.68 mi (2,518.10 km) |
| San Fernando de Henares to Oradea | 1,343.75 mi (2,162.55 km) |
| San Fernando de Henares to Orastie | 1,391.74 mi (2,239.80 km) |
| San Fernando de Henares to Oravita | 1,313.22 mi (2,113.42 km) |
| San Fernando de Henares to Orsova | 1,346.26 mi (2,166.59 km) |
| San Fernando de Henares to Otelu Rosu | 1,348.70 mi (2,170.52 km) |
| San Fernando de Henares to Otopeni | 1,526.35 mi (2,456.42 km) |
