| Fort Madison to Karlovo | 5,441.85 mi (8,757.82 km) |
| Fort Madison to Karnobat | 5,518.33 mi (8,880.89 km) |
| Fort Madison to Kavarna | 5,523.47 mi (8,889.17 km) |
| Fort Madison to Kazanlak | 5,464.06 mi (8,793.56 km) |
| Fort Madison to Knezha | 5,373.98 mi (8,648.58 km) |
| Fort Madison to Kostinbrod | 5,376.78 mi (8,653.09 km) |
| Fort Madison to Kozloduy | 5,347.76 mi (8,606.38 km) |
| Fort Madison to Kyustendil | 5,383.61 mi (8,664.08 km) |
| Fort Madison to Levski | 5,417.32 mi (8,718.34 km) |
| Fort Madison to Lom | 5,328.23 mi (8,574.95 km) |
| Fort Madison to Lovech | 5,414.30 mi (8,713.48 km) |
| Fort Madison to Lukovit | 5,391.70 mi (8,677.11 km) |
| Fort Madison to Lyaskovets | 5,450.94 mi (8,772.44 km) |
| Fort Madison to Mezdra | 5,377.66 mi (8,654.51 km) |
| Fort Madison to Momchilgrad | 5,518.88 mi (8,881.78 km) |
