| Schwalbach to Karlovo | 974.85 mi (1,568.88 km) |
| Schwalbach to Karnobat | 1,067.68 mi (1,718.27 km) |
| Schwalbach to Kavarna | 1,098.01 mi (1,767.08 km) |
| Schwalbach to Kazanlak | 1,000.87 mi (1,610.74 km) |
| Schwalbach to Knezha | 911.91 mi (1,467.58 km) |
| Schwalbach to Kostinbrod | 901.74 mi (1,451.20 km) |
| Schwalbach to Kozloduy | 886.74 mi (1,427.07 km) |
| Schwalbach to Kyustendil | 901.91 mi (1,451.49 km) |
| Schwalbach to Levski | 961.55 mi (1,547.47 km) |
| Schwalbach to Lom | 864.13 mi (1,390.68 km) |
| Schwalbach to Lovech | 952.33 mi (1,532.63 km) |
| Schwalbach to Lukovit | 926.58 mi (1,491.19 km) |
| Schwalbach to Lyaskovets | 996.22 mi (1,603.26 km) |
| Schwalbach to Mezdra | 908.83 mi (1,462.61 km) |
| Schwalbach to Momchilgrad | 1,045.01 mi (1,681.78 km) |
