| Ilkley to Devnya | 1,518.18 mi (2,443.27 km) |
| Ilkley to Dimitrovgrad | 1,495.72 mi (2,407.13 km) |
| Ilkley to Dobrich | 1,513.34 mi (2,435.49 km) |
| Ilkley to Dospat | 1,461.24 mi (2,351.64 km) |
| Ilkley to Dupnitsa | 1,393.00 mi (2,241.82 km) |
| Ilkley to Elhovo | 1,526.95 mi (2,457.39 km) |
| Ilkley to Etropole | 1,398.99 mi (2,251.46 km) |
| Ilkley to Gabrovo | 1,447.87 mi (2,330.12 km) |
| Ilkley to Gorna Oryahovitsa | 1,449.81 mi (2,333.24 km) |
| Ilkley to Gotse Delchev | 1,449.33 mi (2,332.47 km) |
| Ilkley to Harmanli | 1,512.51 mi (2,434.15 km) |
| Ilkley to Haskovo | 1,499.95 mi (2,413.93 km) |
| Ilkley to Ihtiman | 1,410.65 mi (2,270.23 km) |
| Ilkley to Isperih | 1,467.85 mi (2,362.27 km) |
| Ilkley to Kardzhali | 1,505.85 mi (2,423.43 km) |
