| Iisalmi to Karlovo | 1,448.76 mi (2,331.56 km) |
| Iisalmi to Karnobat | 1,446.38 mi (2,327.72 km) |
| Iisalmi to Kavarna | 1,391.83 mi (2,239.94 km) |
| Iisalmi to Kazanlak | 1,449.26 mi (2,332.36 km) |
| Iisalmi to Knezha | 1,391.92 mi (2,240.07 km) |
| Iisalmi to Kostinbrod | 1,442.40 mi (2,321.32 km) |
| Iisalmi to Kozloduy | 1,373.70 mi (2,210.75 km) |
| Iisalmi to Kyustendil | 1,481.57 mi (2,384.36 km) |
| Iisalmi to Levski | 1,398.06 mi (2,249.96 km) |
| Iisalmi to Lom | 1,372.87 mi (2,209.42 km) |
| Iisalmi to Lovech | 1,415.12 mi (2,277.42 km) |
| Iisalmi to Lukovit | 1,412.31 mi (2,272.89 km) |
| Iisalmi to Lyaskovets | 1,415.32 mi (2,277.73 km) |
| Iisalmi to Mezdra | 1,417.45 mi (2,281.17 km) |
| Iisalmi to Momchilgrad | 1,524.03 mi (2,452.69 km) |
