| Bluffton to Devnya | 5,544.54 mi (8,923.07 km) |
| Bluffton to Dimitrovgrad | 5,508.85 mi (8,865.64 km) |
| Bluffton to Dobrich | 5,541.36 mi (8,917.96 km) |
| Bluffton to Dospat | 5,463.25 mi (8,792.25 km) |
| Bluffton to Dupnitsa | 5,394.91 mi (8,682.26 km) |
| Bluffton to Elhovo | 5,544.96 mi (8,923.76 km) |
| Bluffton to Etropole | 5,410.96 mi (8,708.09 km) |
| Bluffton to Gabrovo | 5,465.80 mi (8,796.35 km) |
| Bluffton to Gorna Oryahovitsa | 5,470.73 mi (8,804.29 km) |
| Bluffton to Gotse Delchev | 5,447.78 mi (8,767.36 km) |
| Bluffton to Harmanli | 5,526.11 mi (8,893.42 km) |
| Bluffton to Haskovo | 5,512.01 mi (8,870.72 km) |
| Bluffton to Ihtiman | 5,418.22 mi (8,719.78 km) |
| Bluffton to Isperih | 5,494.57 mi (8,842.65 km) |
| Bluffton to Kardzhali | 5,514.58 mi (8,874.86 km) |
