| Keighley to Smolyan | 1,485.87 mi (2,391.28 km) |
| Keighley to Sofia | 1,381.88 mi (2,223.92 km) |
| Keighley to Sopot | 1,437.59 mi (2,313.58 km) |
| Keighley to Sozopol | 1,561.16 mi (2,512.44 km) |
| Keighley to Sredets | 1,544.88 mi (2,486.24 km) |
| Keighley to Stamboliyski | 1,453.51 mi (2,339.20 km) |
| Keighley to Stara Zagora | 1,481.73 mi (2,384.61 km) |
| Keighley to Svilengrad | 1,533.55 mi (2,468.02 km) |
| Keighley to Svishtov | 1,416.96 mi (2,280.37 km) |
| Keighley to Targovishte | 1,480.78 mi (2,383.09 km) |
| Keighley to Teteven | 1,407.04 mi (2,264.41 km) |
| Keighley to Troyan | 1,425.62 mi (2,294.31 km) |
| Keighley to Tryavna | 1,456.21 mi (2,343.54 km) |
| Keighley to Tutrakan | 1,447.41 mi (2,329.39 km) |
| Keighley to Varna | 1,534.14 mi (2,468.95 km) |
