| Surbiton to Smolyan | 1,359.33 mi (2,187.63 km) |
| Surbiton to Sofia | 1,256.66 mi (2,022.39 km) |
| Surbiton to Sopot | 1,316.81 mi (2,119.20 km) |
| Surbiton to Sozopol | 1,448.49 mi (2,331.11 km) |
| Surbiton to Sredets | 1,430.29 mi (2,301.83 km) |
| Surbiton to Stamboliyski | 1,329.24 mi (2,139.20 km) |
| Surbiton to Stara Zagora | 1,362.68 mi (2,193.02 km) |
| Surbiton to Svilengrad | 1,412.76 mi (2,273.62 km) |
| Surbiton to Svishtov | 1,303.70 mi (2,098.11 km) |
| Surbiton to Targovishte | 1,369.29 mi (2,203.66 km) |
| Surbiton to Teteven | 1,286.15 mi (2,069.86 km) |
| Surbiton to Troyan | 1,306.03 mi (2,101.85 km) |
| Surbiton to Tryavna | 1,339.07 mi (2,155.03 km) |
| Surbiton to Tutrakan | 1,340.82 mi (2,157.85 km) |
| Surbiton to Varna | 1,426.58 mi (2,295.86 km) |
