| Siirt to Karlovo | 958.28 mi (1,542.20 km) |
| Siirt to Karnobat | 851.64 mi (1,370.57 km) |
| Siirt to Kavarna | 807.05 mi (1,298.82 km) |
| Siirt to Kazanlak | 928.64 mi (1,494.49 km) |
| Siirt to Knezha | 1,009.10 mi (1,623.99 km) |
| Siirt to Kostinbrod | 1,039.57 mi (1,673.03 km) |
| Siirt to Kozloduy | 1,031.46 mi (1,659.98 km) |
| Siirt to Kyustendil | 1,058.93 mi (1,704.18 km) |
| Siirt to Levski | 956.01 mi (1,538.55 km) |
| Siirt to Lom | 1,055.99 mi (1,699.45 km) |
| Siirt to Lovech | 971.47 mi (1,563.43 km) |
| Siirt to Lukovit | 999.40 mi (1,608.39 km) |
| Siirt to Lyaskovets | 922.48 mi (1,484.59 km) |
| Siirt to Mezdra | 1,021.24 mi (1,643.52 km) |
| Siirt to Momchilgrad | 911.39 mi (1,466.74 km) |
