| Paducah to Karlovo | 5,522.87 mi (8,888.21 km) |
| Paducah to Karnobat | 5,604.74 mi (9,019.96 km) |
| Paducah to Kavarna | 5,615.95 mi (9,038.00 km) |
| Paducah to Kazanlak | 5,546.46 mi (8,926.17 km) |
| Paducah to Knezha | 5,456.23 mi (8,780.95 km) |
| Paducah to Kostinbrod | 5,454.49 mi (8,778.15 km) |
| Paducah to Kozloduy | 5,430.16 mi (8,739.00 km) |
| Paducah to Kyustendil | 5,458.10 mi (8,783.96 km) |
| Paducah to Levski | 5,501.67 mi (8,854.08 km) |
| Paducah to Lom | 5,409.59 mi (8,705.90 km) |
| Paducah to Lovech | 5,496.82 mi (8,846.27 km) |
| Paducah to Lukovit | 5,473.10 mi (8,808.10 km) |
| Paducah to Lyaskovets | 5,535.79 mi (8,909.00 km) |
| Paducah to Mezdra | 5,457.74 mi (8,783.38 km) |
| Paducah to Momchilgrad | 5,597.57 mi (9,008.42 km) |
