| Storm Lake to Karlovo | 5,468.30 mi (8,800.38 km) |
| Storm Lake to Karnobat | 5,539.67 mi (8,915.23 km) |
| Storm Lake to Kavarna | 5,539.37 mi (8,914.75 km) |
| Storm Lake to Kazanlak | 5,489.20 mi (8,834.01 km) |
| Storm Lake to Knezha | 5,399.61 mi (8,689.84 km) |
| Storm Lake to Kostinbrod | 5,406.41 mi (8,700.77 km) |
| Storm Lake to Kozloduy | 5,373.36 mi (8,647.59 km) |
| Storm Lake to Kyustendil | 5,416.04 mi (8,716.27 km) |
| Storm Lake to Levski | 5,440.92 mi (8,756.32 km) |
| Storm Lake to Lom | 5,354.83 mi (8,617.77 km) |
| Storm Lake to Lovech | 5,439.54 mi (8,754.09 km) |
| Storm Lake to Lukovit | 5,418.02 mi (8,719.46 km) |
| Storm Lake to Lyaskovets | 5,473.95 mi (8,809.46 km) |
| Storm Lake to Mezdra | 5,405.20 mi (8,698.83 km) |
| Storm Lake to Momchilgrad | 5,547.07 mi (8,927.14 km) |
