| Knottingley to Devnya | 1,491.35 mi (2,400.10 km) |
| Knottingley to Dimitrovgrad | 1,468.34 mi (2,363.07 km) |
| Knottingley to Dobrich | 1,486.66 mi (2,392.55 km) |
| Knottingley to Dospat | 1,433.64 mi (2,307.21 km) |
| Knottingley to Dupnitsa | 1,365.37 mi (2,197.36 km) |
| Knottingley to Elhovo | 1,499.72 mi (2,413.57 km) |
| Knottingley to Etropole | 1,371.56 mi (2,207.31 km) |
| Knottingley to Gabrovo | 1,420.62 mi (2,286.26 km) |
| Knottingley to Gorna Oryahovitsa | 1,422.67 mi (2,289.56 km) |
| Knottingley to Gotse Delchev | 1,421.67 mi (2,287.96 km) |
| Knottingley to Harmanli | 1,485.15 mi (2,390.12 km) |
| Knottingley to Haskovo | 1,472.54 mi (2,369.82 km) |
| Knottingley to Ihtiman | 1,383.13 mi (2,225.93 km) |
| Knottingley to Isperih | 1,441.04 mi (2,319.14 km) |
| Knottingley to Kardzhali | 1,478.37 mi (2,379.21 km) |
