| Huddersfield to Smolyan | 1,474.78 mi (2,373.43 km) |
| Huddersfield to Sofia | 1,370.86 mi (2,206.19 km) |
| Huddersfield to Sopot | 1,426.98 mi (2,296.50 km) |
| Huddersfield to Sozopol | 1,551.29 mi (2,496.56 km) |
| Huddersfield to Sredets | 1,534.84 mi (2,470.09 km) |
| Huddersfield to Stamboliyski | 1,442.60 mi (2,321.65 km) |
| Huddersfield to Stara Zagora | 1,471.28 mi (2,367.80 km) |
| Huddersfield to Svilengrad | 1,522.98 mi (2,450.99 km) |
| Huddersfield to Svishtov | 1,406.98 mi (2,264.32 km) |
| Huddersfield to Targovishte | 1,470.99 mi (2,367.33 km) |
| Huddersfield to Teteven | 1,396.40 mi (2,247.29 km) |
| Huddersfield to Troyan | 1,415.10 mi (2,277.39 km) |
| Huddersfield to Tryavna | 1,445.92 mi (2,326.98 km) |
| Huddersfield to Tutrakan | 1,438.02 mi (2,314.27 km) |
| Huddersfield to Varna | 1,524.70 mi (2,453.77 km) |
