| Knoxville to Devnya | 5,478.28 mi (8,816.45 km) |
| Knoxville to Dimitrovgrad | 5,452.38 mi (8,774.76 km) |
| Knoxville to Dobrich | 5,472.98 mi (8,807.91 km) |
| Knoxville to Dospat | 5,411.99 mi (8,709.76 km) |
| Knoxville to Dupnitsa | 5,343.39 mi (8,599.36 km) |
| Knoxville to Elhovo | 5,485.64 mi (8,828.29 km) |
| Knoxville to Etropole | 5,354.84 mi (8,617.79 km) |
| Knoxville to Gabrovo | 5,406.39 mi (8,700.75 km) |
| Knoxville to Gorna Oryahovitsa | 5,409.29 mi (8,705.42 km) |
| Knoxville to Gotse Delchev | 5,397.93 mi (8,687.13 km) |
| Knoxville to Harmanli | 5,469.42 mi (8,802.19 km) |
| Knoxville to Haskovo | 5,456.13 mi (8,780.79 km) |
| Knoxville to Ihtiman | 5,364.29 mi (8,633.00 km) |
| Knoxville to Isperih | 5,427.92 mi (8,735.39 km) |
| Knoxville to Kardzhali | 5,460.42 mi (8,787.70 km) |
