| Hatfield to Smolyan | 1,365.06 mi (2,196.86 km) |
| Hatfield to Sofia | 1,262.05 mi (2,031.07 km) |
| Hatfield to Sopot | 1,321.39 mi (2,126.57 km) |
| Hatfield to Sozopol | 1,451.65 mi (2,336.21 km) |
| Hatfield to Sredets | 1,433.80 mi (2,307.47 km) |
| Hatfield to Stamboliyski | 1,334.50 mi (2,147.67 km) |
| Hatfield to Stara Zagora | 1,366.97 mi (2,199.92 km) |
| Hatfield to Svilengrad | 1,417.42 mi (2,281.12 km) |
| Hatfield to Svishtov | 1,306.86 mi (2,103.19 km) |
| Hatfield to Targovishte | 1,372.18 mi (2,208.31 km) |
| Hatfield to Teteven | 1,290.73 mi (2,077.22 km) |
| Hatfield to Troyan | 1,310.37 mi (2,108.84 km) |
| Hatfield to Tryavna | 1,342.98 mi (2,161.32 km) |
| Hatfield to Tutrakan | 1,342.81 mi (2,161.04 km) |
| Hatfield to Varna | 1,428.81 mi (2,299.44 km) |
