| Bristol to Smolyan | 1,454.15 mi (2,340.23 km) |
| Bristol to Sofia | 1,351.87 mi (2,175.62 km) |
| Bristol to Sopot | 1,412.77 mi (2,273.63 km) |
| Bristol to Sozopol | 1,545.53 mi (2,487.30 km) |
| Bristol to Sredets | 1,527.10 mi (2,457.63 km) |
| Bristol to Stamboliyski | 1,424.55 mi (2,292.59 km) |
| Bristol to Stara Zagora | 1,458.88 mi (2,347.85 km) |
| Bristol to Svilengrad | 1,508.63 mi (2,427.90 km) |
| Bristol to Svishtov | 1,400.79 mi (2,254.35 km) |
| Bristol to Targovishte | 1,466.54 mi (2,360.17 km) |
| Bristol to Teteven | 1,382.13 mi (2,224.32 km) |
| Bristol to Troyan | 1,402.20 mi (2,256.62 km) |
| Bristol to Tryavna | 1,435.59 mi (2,310.36 km) |
| Bristol to Tutrakan | 1,438.61 mi (2,315.22 km) |
| Bristol to Varna | 1,524.22 mi (2,453.00 km) |
