| Ilkley to Smolyan | 1,484.20 mi (2,388.59 km) |
| Ilkley to Sofia | 1,380.18 mi (2,221.18 km) |
| Ilkley to Sopot | 1,435.72 mi (2,310.57 km) |
| Ilkley to Sozopol | 1,558.99 mi (2,508.95 km) |
| Ilkley to Sredets | 1,542.77 mi (2,482.85 km) |
| Ilkley to Stamboliyski | 1,451.76 mi (2,336.38 km) |
| Ilkley to Stara Zagora | 1,479.79 mi (2,381.49 km) |
| Ilkley to Svilengrad | 1,531.66 mi (2,464.97 km) |
| Ilkley to Svishtov | 1,414.83 mi (2,276.95 km) |
| Ilkley to Targovishte | 1,478.59 mi (2,379.56 km) |
| Ilkley to Teteven | 1,405.17 mi (2,261.41 km) |
| Ilkley to Troyan | 1,423.71 mi (2,291.24 km) |
| Ilkley to Tryavna | 1,454.21 mi (2,340.32 km) |
| Ilkley to Tutrakan | 1,445.07 mi (2,325.61 km) |
| Ilkley to Varna | 1,531.80 mi (2,465.20 km) |
