| Clevedon to Smolyan | 1,464.40 mi (2,356.72 km) |
| Clevedon to Sofia | 1,362.18 mi (2,192.21 km) |
| Clevedon to Sopot | 1,423.19 mi (2,290.40 km) |
| Clevedon to Sozopol | 1,556.13 mi (2,504.35 km) |
| Clevedon to Sredets | 1,537.66 mi (2,474.62 km) |
| Clevedon to Stamboliyski | 1,434.87 mi (2,309.20 km) |
| Clevedon to Stara Zagora | 1,469.34 mi (2,364.68 km) |
| Clevedon to Svilengrad | 1,519.03 mi (2,444.64 km) |
| Clevedon to Svishtov | 1,411.40 mi (2,271.42 km) |
| Clevedon to Targovishte | 1,477.17 mi (2,377.28 km) |
| Clevedon to Teteven | 1,392.55 mi (2,241.09 km) |
| Clevedon to Troyan | 1,412.65 mi (2,273.44 km) |
| Clevedon to Tryavna | 1,446.10 mi (2,327.28 km) |
| Clevedon to Tutrakan | 1,449.35 mi (2,332.50 km) |
| Clevedon to Varna | 1,534.93 mi (2,470.23 km) |
