| Knightdale to Devnya | 5,271.57 mi (8,483.77 km) |
| Knightdale to Dimitrovgrad | 5,238.50 mi (8,430.56 km) |
| Knightdale to Dobrich | 5,267.85 mi (8,477.79 km) |
| Knightdale to Dospat | 5,194.39 mi (8,359.56 km) |
| Knightdale to Dupnitsa | 5,125.92 mi (8,249.37 km) |
| Knightdale to Elhovo | 5,273.84 mi (8,487.43 km) |
| Knightdale to Etropole | 5,140.65 mi (8,273.07 km) |
| Knightdale to Gabrovo | 5,194.60 mi (8,359.90 km) |
| Knightdale to Gorna Oryahovitsa | 5,198.98 mi (8,366.96 km) |
| Knightdale to Gotse Delchev | 5,179.33 mi (8,335.33 km) |
| Knightdale to Harmanli | 5,255.71 mi (8,458.25 km) |
| Knightdale to Haskovo | 5,241.83 mi (8,435.91 km) |
| Knightdale to Ihtiman | 5,148.54 mi (8,285.78 km) |
| Knightdale to Isperih | 5,221.47 mi (8,403.14 km) |
| Knightdale to Kardzhali | 5,244.90 mi (8,440.85 km) |
