| Kingston upon Thames to Smolyan | 1,359.42 mi (2,187.77 km) |
| Kingston upon Thames to Sofia | 1,256.72 mi (2,022.50 km) |
| Kingston upon Thames to Sopot | 1,316.84 mi (2,119.24 km) |
| Kingston upon Thames to Sozopol | 1,448.45 mi (2,331.06 km) |
| Kingston upon Thames to Sredets | 1,430.27 mi (2,301.80 km) |
| Kingston upon Thames to Stamboliyski | 1,329.30 mi (2,139.30 km) |
| Kingston upon Thames to Stara Zagora | 1,362.70 mi (2,193.05 km) |
| Kingston upon Thames to Svilengrad | 1,412.80 mi (2,273.68 km) |
| Kingston upon Thames to Svishtov | 1,303.67 mi (2,098.05 km) |
| Kingston upon Thames to Targovishte | 1,369.24 mi (2,203.58 km) |
| Kingston upon Thames to Teteven | 1,286.18 mi (2,069.91 km) |
| Kingston upon Thames to Troyan | 1,306.05 mi (2,101.88 km) |
| Kingston upon Thames to Tryavna | 1,339.07 mi (2,155.03 km) |
| Kingston upon Thames to Tutrakan | 1,340.73 mi (2,157.70 km) |
| Kingston upon Thames to Varna | 1,426.50 mi (2,295.74 km) |
