| Blue Island to Karlovo | 5,258.65 mi (8,462.98 km) |
| Blue Island to Karnobat | 5,336.98 mi (8,589.05 km) |
| Blue Island to Kavarna | 5,344.28 mi (8,600.79 km) |
| Blue Island to Kazanlak | 5,281.33 mi (8,499.47 km) |
| Blue Island to Knezha | 5,191.14 mi (8,354.34 km) |
| Blue Island to Kostinbrod | 5,192.46 mi (8,356.46 km) |
| Blue Island to Kozloduy | 5,164.96 mi (8,312.20 km) |
| Blue Island to Kyustendil | 5,198.28 mi (8,365.82 km) |
| Blue Island to Levski | 5,235.22 mi (8,425.27 km) |
| Blue Island to Lom | 5,145.07 mi (8,280.19 km) |
| Blue Island to Lovech | 5,231.58 mi (8,419.41 km) |
| Blue Island to Lukovit | 5,208.59 mi (8,382.42 km) |
| Blue Island to Lyaskovets | 5,269.02 mi (8,479.68 km) |
| Blue Island to Mezdra | 5,194.11 mi (8,359.11 km) |
| Blue Island to Momchilgrad | 5,334.96 mi (8,585.78 km) |
