| Iselin to Karlovo | 4,794.50 mi (7,716.00 km) |
| Iselin to Karnobat | 4,882.90 mi (7,858.27 km) |
| Iselin to Kavarna | 4,902.43 mi (7,889.69 km) |
| Iselin to Kazanlak | 4,819.71 mi (7,756.57 km) |
| Iselin to Knezha | 4,729.96 mi (7,612.14 km) |
| Iselin to Kostinbrod | 4,722.37 mi (7,599.92 km) |
| Iselin to Kozloduy | 4,704.30 mi (7,570.84 km) |
| Iselin to Kyustendil | 4,721.93 mi (7,599.22 km) |
| Iselin to Levski | 4,777.83 mi (7,689.17 km) |
| Iselin to Lom | 4,682.52 mi (7,535.78 km) |
| Iselin to Lovech | 4,770.59 mi (7,677.52 km) |
| Iselin to Lukovit | 4,745.58 mi (7,637.27 km) |
| Iselin to Lyaskovets | 4,812.38 mi (7,744.78 km) |
| Iselin to Mezdra | 4,728.62 mi (7,609.99 km) |
| Iselin to Momchilgrad | 4,865.67 mi (7,830.54 km) |
