| Knoxville to Karlovo | 5,395.14 mi (8,682.64 km) |
| Knoxville to Karnobat | 5,481.45 mi (8,821.54 km) |
| Knoxville to Kavarna | 5,498.06 mi (8,848.27 km) |
| Knoxville to Kazanlak | 5,419.85 mi (8,722.40 km) |
| Knoxville to Knezha | 5,329.85 mi (8,577.57 km) |
| Knoxville to Kostinbrod | 5,324.15 mi (8,568.39 km) |
| Knoxville to Kozloduy | 5,304.03 mi (8,536.02 km) |
| Knoxville to Kyustendil | 5,324.95 mi (8,569.68 km) |
| Knoxville to Levski | 5,376.95 mi (8,653.37 km) |
| Knoxville to Lom | 5,282.63 mi (8,501.58 km) |
| Knoxville to Lovech | 5,370.50 mi (8,642.99 km) |
| Knoxville to Lukovit | 5,345.90 mi (8,603.39 km) |
| Knoxville to Lyaskovets | 5,411.39 mi (8,708.80 km) |
| Knoxville to Mezdra | 5,329.45 mi (8,576.92 km) |
| Knoxville to Momchilgrad | 5,467.50 mi (8,799.09 km) |
