| San Fernando de Henares to Smolyan | 1,467.85 mi (2,362.27 km) |
| San Fernando de Henares to Sofia | 1,391.80 mi (2,239.89 km) |
| San Fernando de Henares to Sopot | 1,464.02 mi (2,356.10 km) |
| San Fernando de Henares to Sozopol | 1,615.02 mi (2,599.12 km) |
| San Fernando de Henares to Sredets | 1,590.08 mi (2,558.99 km) |
| San Fernando de Henares to Stamboliyski | 1,455.61 mi (2,342.58 km) |
| San Fernando de Henares to Stara Zagora | 1,510.79 mi (2,431.38 km) |
| San Fernando de Henares to Svilengrad | 1,543.35 mi (2,483.78 km) |
| San Fernando de Henares to Svishtov | 1,491.26 mi (2,399.96 km) |
| San Fernando de Henares to Targovishte | 1,554.13 mi (2,501.12 km) |
| San Fernando de Henares to Teteven | 1,438.54 mi (2,315.10 km) |
| San Fernando de Henares to Troyan | 1,461.40 mi (2,351.90 km) |
| San Fernando de Henares to Tryavna | 1,501.06 mi (2,415.73 km) |
| San Fernando de Henares to Tutrakan | 1,553.66 mi (2,500.37 km) |
| San Fernando de Henares to Varna | 1,621.26 mi (2,609.17 km) |
