| San Fernando de Henares to Karlovo | 1,466.94 mi (2,360.82 km) |
| San Fernando de Henares to Karnobat | 1,577.30 mi (2,538.41 km) |
| San Fernando de Henares to Kavarna | 1,641.14 mi (2,641.15 km) |
| San Fernando de Henares to Kazanlak | 1,497.14 mi (2,409.41 km) |
| San Fernando de Henares to Knezha | 1,428.03 mi (2,298.19 km) |
| San Fernando de Henares to Kostinbrod | 1,385.71 mi (2,230.09 km) |
| San Fernando de Henares to Kozloduy | 1,410.36 mi (2,269.76 km) |
| San Fernando de Henares to Kyustendil | 1,360.44 mi (2,189.41 km) |
| San Fernando de Henares to Levski | 1,480.94 mi (2,383.34 km) |
| San Fernando de Henares to Lom | 1,385.65 mi (2,229.99 km) |
| San Fernando de Henares to Lovech | 1,460.62 mi (2,350.64 km) |
| San Fernando de Henares to Lukovit | 1,432.73 mi (2,305.76 km) |
| San Fernando de Henares to Lyaskovets | 1,511.08 mi (2,431.85 km) |
| San Fernando de Henares to Mezdra | 1,409.33 mi (2,268.10 km) |
| San Fernando de Henares to Momchilgrad | 1,505.05 mi (2,422.15 km) |
