| Ilirska Bistrica to Karlovo | 560.73 mi (902.41 km) |
| Ilirska Bistrica to Karnobat | 662.55 mi (1,066.27 km) |
| Ilirska Bistrica to Kavarna | 708.40 mi (1,140.06 km) |
| Ilirska Bistrica to Kazanlak | 588.94 mi (947.81 km) |
| Ilirska Bistrica to Knezha | 504.44 mi (811.82 km) |
| Ilirska Bistrica to Kostinbrod | 482.70 mi (776.83 km) |
| Ilirska Bistrica to Kozloduy | 481.52 mi (774.93 km) |
| Ilirska Bistrica to Kyustendil | 476.64 mi (767.07 km) |
| Ilirska Bistrica to Levski | 557.14 mi (896.63 km) |
| Ilirska Bistrica to Lom | 457.13 mi (735.67 km) |
| Ilirska Bistrica to Lovech | 543.18 mi (874.17 km) |
| Ilirska Bistrica to Lukovit | 515.75 mi (830.01 km) |
| Ilirska Bistrica to Lyaskovets | 591.06 mi (951.22 km) |
| Ilirska Bistrica to Mezdra | 495.33 mi (797.15 km) |
| Ilirska Bistrica to Momchilgrad | 623.94 mi (1,004.13 km) |
