| East Islip to Karlovo | 4,741.58 mi (7,630.83 km) |
| East Islip to Karnobat | 4,830.50 mi (7,773.94 km) |
| East Islip to Kavarna | 4,850.72 mi (7,806.48 km) |
| East Islip to Kazanlak | 4,766.92 mi (7,671.61 km) |
| East Islip to Knezha | 4,677.25 mi (7,527.30 km) |
| East Islip to Kostinbrod | 4,669.16 mi (7,514.28 km) |
| East Islip to Kozloduy | 4,651.63 mi (7,486.08 km) |
| East Islip to Kyustendil | 4,668.37 mi (7,513.02 km) |
| East Islip to Levski | 4,725.30 mi (7,604.64 km) |
| East Islip to Lom | 4,629.75 mi (7,450.87 km) |
| East Islip to Lovech | 4,717.86 mi (7,592.66 km) |
| East Islip to Lukovit | 4,692.75 mi (7,552.25 km) |
| East Islip to Lyaskovets | 4,759.87 mi (7,660.28 km) |
| East Islip to Mezdra | 4,675.67 mi (7,524.76 km) |
| East Islip to Momchilgrad | 4,812.42 mi (7,744.85 km) |
