| Henley on Thames to Smolyan | 1,386.79 mi (2,231.82 km) |
| Henley on Thames to Sofia | 1,284.10 mi (2,066.56 km) |
| Henley on Thames to Sopot | 1,344.21 mi (2,163.30 km) |
| Henley on Thames to Sozopol | 1,475.75 mi (2,375.00 km) |
| Henley on Thames to Sredets | 1,457.60 mi (2,345.78 km) |
| Henley on Thames to Stamboliyski | 1,356.68 mi (2,183.36 km) |
| Henley on Thames to Stara Zagora | 1,390.06 mi (2,237.09 km) |
| Henley on Thames to Svilengrad | 1,440.17 mi (2,317.74 km) |
| Henley on Thames to Svishtov | 1,330.97 mi (2,141.99 km) |
| Henley on Thames to Targovishte | 1,396.52 mi (2,247.48 km) |
| Henley on Thames to Teteven | 1,313.55 mi (2,113.96 km) |
| Henley on Thames to Troyan | 1,333.41 mi (2,145.92 km) |
| Henley on Thames to Tryavna | 1,366.42 mi (2,199.04 km) |
| Henley on Thames to Tutrakan | 1,367.91 mi (2,201.45 km) |
| Henley on Thames to Varna | 1,453.71 mi (2,339.53 km) |
