| Idil to Karlovo | 973.64 mi (1,566.93 km) |
| Idil to Karnobat | 868.30 mi (1,397.40 km) |
| Idil to Kavarna | 827.03 mi (1,330.98 km) |
| Idil to Kazanlak | 944.26 mi (1,519.63 km) |
| Idil to Knezha | 1,026.22 mi (1,651.55 km) |
| Idil to Kostinbrod | 1,054.62 mi (1,697.24 km) |
| Idil to Kozloduy | 1,049.07 mi (1,688.31 km) |
| Idil to Kyustendil | 1,072.46 mi (1,725.95 km) |
| Idil to Levski | 973.42 mi (1,566.56 km) |
| Idil to Lom | 1,073.43 mi (1,727.52 km) |
| Idil to Lovech | 988.05 mi (1,590.11 km) |
| Idil to Lukovit | 1,015.84 mi (1,634.84 km) |
| Idil to Lyaskovets | 939.57 mi (1,512.09 km) |
| Idil to Mezdra | 1,037.32 mi (1,669.40 km) |
| Idil to Momchilgrad | 924.02 mi (1,487.06 km) |
