| Owensboro to Karlovo | 5,430.71 mi (8,739.88 km) |
| Owensboro to Karnobat | 5,513.12 mi (8,872.51 km) |
| Owensboro to Kavarna | 5,525.01 mi (8,891.64 km) |
| Owensboro to Kazanlak | 5,454.43 mi (8,778.05 km) |
| Owensboro to Knezha | 5,364.21 mi (8,632.86 km) |
| Owensboro to Kostinbrod | 5,362.01 mi (8,629.32 km) |
| Owensboro to Kozloduy | 5,338.17 mi (8,590.95 km) |
| Owensboro to Kyustendil | 5,365.31 mi (8,634.63 km) |
| Owensboro to Levski | 5,409.85 mi (8,706.31 km) |
| Owensboro to Lom | 5,317.49 mi (8,557.68 km) |
| Owensboro to Lovech | 5,404.81 mi (8,698.20 km) |
| Owensboro to Lukovit | 5,380.98 mi (8,659.85 km) |
| Owensboro to Lyaskovets | 5,444.02 mi (8,761.31 km) |
| Owensboro to Mezdra | 5,365.49 mi (8,634.93 km) |
| Owensboro to Momchilgrad | 5,505.15 mi (8,859.68 km) |
