| Kierspe to Karlovo | 999.39 mi (1,608.37 km) |
| Kierspe to Karnobat | 1,083.77 mi (1,744.16 km) |
| Kierspe to Kavarna | 1,103.81 mi (1,776.41 km) |
| Kierspe to Kazanlak | 1,023.18 mi (1,646.64 km) |
| Kierspe to Knezha | 932.99 mi (1,501.50 km) |
| Kierspe to Kostinbrod | 931.92 mi (1,499.78 km) |
| Kierspe to Kozloduy | 907.00 mi (1,459.68 km) |
| Kierspe to Kyustendil | 938.50 mi (1,510.38 km) |
| Kierspe to Levski | 979.38 mi (1,576.16 km) |
| Kierspe to Lom | 886.17 mi (1,426.16 km) |
| Kierspe to Lovech | 973.61 mi (1,566.88 km) |
| Kierspe to Lukovit | 949.66 mi (1,528.32 km) |
| Kierspe to Lyaskovets | 1,013.77 mi (1,631.50 km) |
| Kierspe to Mezdra | 934.30 mi (1,503.61 km) |
| Kierspe to Momchilgrad | 1,074.59 mi (1,729.39 km) |
