| Irlam to Karlovo | 1,449.27 mi (2,332.38 km) |
| Irlam to Karnobat | 1,534.64 mi (2,469.76 km) |
| Irlam to Kavarna | 1,553.93 mi (2,500.81 km) |
| Irlam to Kazanlak | 1,473.46 mi (2,371.31 km) |
| Irlam to Knezha | 1,383.34 mi (2,226.28 km) |
| Irlam to Kostinbrod | 1,380.29 mi (2,221.36 km) |
| Irlam to Kozloduy | 1,357.44 mi (2,184.58 km) |
| Irlam to Kyustendil | 1,384.58 mi (2,228.27 km) |
| Irlam to Levski | 1,430.12 mi (2,301.55 km) |
| Irlam to Lom | 1,336.33 mi (2,150.61 km) |
| Irlam to Lovech | 1,423.99 mi (2,291.69 km) |
| Irlam to Lukovit | 1,399.73 mi (2,252.65 km) |
| Irlam to Lyaskovets | 1,464.54 mi (2,356.96 km) |
| Irlam to Mezdra | 1,383.89 mi (2,227.16 km) |
| Irlam to Momchilgrad | 1,523.39 mi (2,451.66 km) |
