| Kingsport to Devnya | 5,396.43 mi (8,684.72 km) |
| Kingsport to Dimitrovgrad | 5,369.61 mi (8,641.56 km) |
| Kingsport to Dobrich | 5,391.34 mi (8,676.52 km) |
| Kingsport to Dospat | 5,328.76 mi (8,575.82 km) |
| Kingsport to Dupnitsa | 5,260.17 mi (8,465.42 km) |
| Kingsport to Elhovo | 5,403.14 mi (8,695.51 km) |
| Kingsport to Etropole | 5,272.02 mi (8,484.49 km) |
| Kingsport to Gabrovo | 5,323.88 mi (8,567.95 km) |
| Kingsport to Gorna Oryahovitsa | 5,326.97 mi (8,572.92 km) |
| Kingsport to Gotse Delchev | 5,314.58 mi (8,552.99 km) |
| Kingsport to Harmanli | 5,386.68 mi (8,669.02 km) |
| Kingsport to Haskovo | 5,373.31 mi (8,647.50 km) |
| Kingsport to Ihtiman | 5,281.28 mi (8,499.40 km) |
| Kingsport to Isperih | 5,346.09 mi (8,603.71 km) |
| Kingsport to Kardzhali | 5,377.45 mi (8,654.18 km) |
