| Alcala la Real to Karlovo | 1,552.99 mi (2,499.30 km) |
| Alcala la Real to Karnobat | 1,663.43 mi (2,677.03 km) |
| Alcala la Real to Kavarna | 1,733.81 mi (2,790.31 km) |
| Alcala la Real to Kazanlak | 1,582.96 mi (2,547.53 km) |
| Alcala la Real to Knezha | 1,521.74 mi (2,449.00 km) |
| Alcala la Real to Kostinbrod | 1,473.46 mi (2,371.31 km) |
| Alcala la Real to Kozloduy | 1,506.70 mi (2,424.80 km) |
| Alcala la Real to Kyustendil | 1,443.25 mi (2,322.68 km) |
| Alcala la Real to Levski | 1,573.24 mi (2,531.89 km) |
| Alcala la Real to Lom | 1,482.58 mi (2,385.99 km) |
| Alcala la Real to Lovech | 1,550.98 mi (2,496.06 km) |
| Alcala la Real to Lukovit | 1,523.76 mi (2,452.26 km) |
| Alcala la Real to Lyaskovets | 1,601.05 mi (2,576.64 km) |
| Alcala la Real to Mezdra | 1,500.02 mi (2,414.05 km) |
| Alcala la Real to Momchilgrad | 1,581.42 mi (2,545.05 km) |
