| Cities | Distance |
|---|
| Sierpc to Karlovo | 746.20 mi (1,200.90 km) |
| Sierpc to Karnobat | 784.56 mi (1,262.63 km) |
| Sierpc to Kavarna | 764.19 mi (1,229.85 km) |
| Sierpc to Kazanlak | 757.11 mi (1,218.44 km) |
| Sierpc to Knezha | 679.16 mi (1,093.00 km) |
| Sierpc to Kostinbrod | 714.52 mi (1,149.90 km) |
| Sierpc to Kozloduy | 655.63 mi (1,055.14 km) |
| Sierpc to Kyustendil | 745.58 mi (1,199.90 km) |
| Sierpc to Levski | 703.70 mi (1,132.50 km) |
| Sierpc to Lom | 646.73 mi (1,040.82 km) |
| Sierpc to Lovech | 712.43 mi (1,146.54 km) |
| Sierpc to Lukovit | 700.25 mi (1,126.94 km) |
| Sierpc to Lyaskovets | 730.92 mi (1,176.31 km) |
| Sierpc to Mezdra | 697.57 mi (1,122.64 km) |
| Sierpc to Momchilgrad | 828.68 mi (1,333.64 km) |
