| Solingen to Karlovo | 1,018.87 mi (1,639.71 km) |
| Solingen to Karnobat | 1,103.75 mi (1,776.32 km) |
| Solingen to Kavarna | 1,124.26 mi (1,809.31 km) |
| Solingen to Kazanlak | 1,042.79 mi (1,678.21 km) |
| Solingen to Knezha | 952.63 mi (1,533.11 km) |
| Solingen to Kostinbrod | 950.99 mi (1,530.47 km) |
| Solingen to Kozloduy | 926.68 mi (1,491.34 km) |
| Solingen to Kyustendil | 957.12 mi (1,540.33 km) |
| Solingen to Levski | 999.22 mi (1,608.10 km) |
| Solingen to Lom | 905.73 mi (1,457.64 km) |
| Solingen to Lovech | 993.26 mi (1,598.50 km) |
| Solingen to Lukovit | 969.19 mi (1,559.76 km) |
| Solingen to Lyaskovets | 1,033.64 mi (1,663.49 km) |
| Solingen to Mezdra | 953.68 mi (1,534.80 km) |
| Solingen to Momchilgrad | 1,093.78 mi (1,760.27 km) |
