| Sirnak to Karlovo | 995.71 mi (1,602.44 km) |
| Sirnak to Karnobat | 889.47 mi (1,431.47 km) |
| Sirnak to Kavarna | 845.79 mi (1,361.17 km) |
| Sirnak to Kazanlak | 966.15 mi (1,554.86 km) |
| Sirnak to Knezha | 1,047.10 mi (1,685.15 km) |
| Sirnak to Kostinbrod | 1,076.90 mi (1,733.11 km) |
| Sirnak to Kozloduy | 1,069.61 mi (1,721.38 km) |
| Sirnak to Kyustendil | 1,095.71 mi (1,763.37 km) |
| Sirnak to Levski | 994.09 mi (1,599.84 km) |
| Sirnak to Lom | 1,094.10 mi (1,760.78 km) |
| Sirnak to Lovech | 1,009.31 mi (1,624.32 km) |
| Sirnak to Lukovit | 1,037.20 mi (1,669.21 km) |
| Sirnak to Lyaskovets | 960.46 mi (1,545.72 km) |
| Sirnak to Mezdra | 1,058.92 mi (1,704.16 km) |
| Sirnak to Momchilgrad | 947.79 mi (1,525.32 km) |
