| McDonough to Karlovo | 5,526.47 mi (8,893.99 km) |
| McDonough to Karnobat | 5,614.78 mi (9,036.11 km) |
| McDonough to Kavarna | 5,633.85 mi (9,066.81 km) |
| McDonough to Kazanlak | 5,551.68 mi (8,934.56 km) |
| McDonough to Knezha | 5,461.92 mi (8,790.11 km) |
| McDonough to Kostinbrod | 5,454.30 mi (8,777.84 km) |
| McDonough to Kozloduy | 5,436.25 mi (8,748.81 km) |
| McDonough to Kyustendil | 5,453.71 mi (8,776.89 km) |
| McDonough to Levski | 5,509.75 mi (8,867.08 km) |
| McDonough to Lom | 5,414.48 mi (8,713.77 km) |
| McDonough to Lovech | 5,502.55 mi (8,855.50 km) |
| McDonough to Lukovit | 5,477.55 mi (8,815.27 km) |
| McDonough to Lyaskovets | 5,544.29 mi (8,922.68 km) |
| McDonough to Mezdra | 5,460.59 mi (8,787.98 km) |
| McDonough to Momchilgrad | 5,597.59 mi (9,008.45 km) |
