| Reading to Smolyan | 1,387.75 mi (2,233.37 km) |
| Reading to Sofia | 1,285.15 mi (2,068.26 km) |
| Reading to Sopot | 1,345.46 mi (2,165.31 km) |
| Reading to Sozopol | 1,477.34 mi (2,377.54 km) |
| Reading to Sredets | 1,459.10 mi (2,348.20 km) |
| Reading to Stamboliyski | 1,357.76 mi (2,185.10 km) |
| Reading to Stara Zagora | 1,391.38 mi (2,239.21 km) |
| Reading to Svilengrad | 1,441.40 mi (2,319.71 km) |
| Reading to Svishtov | 1,332.56 mi (2,144.55 km) |
| Reading to Targovishte | 1,398.17 mi (2,250.14 km) |
| Reading to Teteven | 1,314.80 mi (2,115.97 km) |
| Reading to Troyan | 1,334.72 mi (2,148.02 km) |
| Reading to Tryavna | 1,367.83 mi (2,201.31 km) |
| Reading to Tutrakan | 1,369.78 mi (2,204.45 km) |
| Reading to Varna | 1,455.52 mi (2,342.43 km) |
