| Thatcham to Smolyan | 1,398.49 mi (2,250.64 km) |
| Thatcham to Sofia | 1,295.99 mi (2,085.70 km) |
| Thatcham to Sopot | 1,356.51 mi (2,183.09 km) |
| Thatcham to Sozopol | 1,488.73 mi (2,395.88 km) |
| Thatcham to Sredets | 1,470.42 mi (2,366.41 km) |
| Thatcham to Stamboliyski | 1,368.62 mi (2,202.59 km) |
| Thatcham to Stara Zagora | 1,402.50 mi (2,257.11 km) |
| Thatcham to Svilengrad | 1,452.42 mi (2,337.45 km) |
| Thatcham to Svishtov | 1,343.97 mi (2,162.90 km) |
| Thatcham to Targovishte | 1,409.64 mi (2,268.59 km) |
| Thatcham to Teteven | 1,325.86 mi (2,133.76 km) |
| Thatcham to Troyan | 1,345.83 mi (2,165.91 km) |
| Thatcham to Tryavna | 1,379.05 mi (2,219.37 km) |
| Thatcham to Tutrakan | 1,381.45 mi (2,223.23 km) |
| Thatcham to Varna | 1,467.13 mi (2,361.12 km) |
