| Charleston to Karlovo | 5,382.94 mi (8,663.01 km) |
| Charleston to Karnobat | 5,474.56 mi (8,810.46 km) |
| Charleston to Kavarna | 5,498.07 mi (8,848.30 km) |
| Charleston to Kazanlak | 5,408.97 mi (8,704.90 km) |
| Charleston to Knezha | 5,319.81 mi (8,561.41 km) |
| Charleston to Kostinbrod | 5,308.91 mi (8,543.87 km) |
| Charleston to Kozloduy | 5,294.47 mi (8,520.62 km) |
| Charleston to Kyustendil | 5,305.99 mi (8,539.17 km) |
| Charleston to Levski | 5,368.82 mi (8,640.28 km) |
| Charleston to Lom | 5,272.10 mi (8,484.63 km) |
| Charleston to Lovech | 5,360.31 mi (8,626.59 km) |
| Charleston to Lukovit | 5,334.69 mi (8,585.35 km) |
| Charleston to Lyaskovets | 5,403.47 mi (8,696.04 km) |
| Charleston to Mezdra | 5,316.89 mi (8,556.71 km) |
| Charleston to Momchilgrad | 5,451.80 mi (8,773.83 km) |
