| Louisville to Devnya | 5,432.23 mi (8,742.33 km) |
| Louisville to Dimitrovgrad | 5,411.96 mi (8,709.71 km) |
| Louisville to Dobrich | 5,425.73 mi (8,731.87 km) |
| Louisville to Dospat | 5,374.64 mi (8,649.65 km) |
| Louisville to Dupnitsa | 5,306.09 mi (8,539.33 km) |
| Louisville to Elhovo | 5,443.50 mi (8,760.47 km) |
| Louisville to Etropole | 5,314.89 mi (8,553.50 km) |
| Louisville to Gabrovo | 5,364.43 mi (8,633.22 km) |
| Louisville to Gorna Oryahovitsa | 5,366.17 mi (8,636.01 km) |
| Louisville to Gotse Delchev | 5,361.42 mi (8,628.38 km) |
| Louisville to Harmanli | 5,428.83 mi (8,736.85 km) |
| Louisville to Haskovo | 5,416.03 mi (8,716.26 km) |
| Louisville to Ihtiman | 5,325.57 mi (8,570.67 km) |
| Louisville to Isperih | 5,381.78 mi (8,661.14 km) |
| Louisville to Kardzhali | 5,421.29 mi (8,724.73 km) |
