| Longyearbyen to Karlovo | 2,470.91 mi (3,976.54 km) |
| Longyearbyen to Karnobat | 2,478.49 mi (3,988.75 km) |
| Longyearbyen to Kavarna | 2,428.36 mi (3,908.07 km) |
| Longyearbyen to Kazanlak | 2,474.49 mi (3,982.31 km) |
| Longyearbyen to Knezha | 2,409.85 mi (3,878.27 km) |
| Longyearbyen to Kostinbrod | 2,454.84 mi (3,950.69 km) |
| Longyearbyen to Kozloduy | 2,389.40 mi (3,845.36 km) |
| Longyearbyen to Kyustendil | 2,490.45 mi (4,008.00 km) |
| Longyearbyen to Levski | 2,421.97 mi (3,897.79 km) |
| Longyearbyen to Lom | 2,385.26 mi (3,838.71 km) |
| Longyearbyen to Lovech | 2,436.77 mi (3,921.61 km) |
| Longyearbyen to Lukovit | 2,430.77 mi (3,911.94 km) |
| Longyearbyen to Lyaskovets | 2,442.13 mi (3,930.23 km) |
| Longyearbyen to Mezdra | 2,433.01 mi (3,915.56 km) |
| Longyearbyen to Momchilgrad | 2,549.27 mi (4,102.66 km) |
