| Hadleigh to Smolyan | 1,326.43 mi (2,134.69 km) |
| Hadleigh to Sofia | 1,223.42 mi (1,968.91 km) |
| Hadleigh to Sopot | 1,282.82 mi (2,064.49 km) |
| Hadleigh to Sozopol | 1,413.27 mi (2,274.43 km) |
| Hadleigh to Sredets | 1,395.35 mi (2,245.61 km) |
| Hadleigh to Stamboliyski | 1,295.88 mi (2,085.52 km) |
| Hadleigh to Stara Zagora | 1,328.42 mi (2,137.89 km) |
| Hadleigh to Svilengrad | 1,378.84 mi (2,219.03 km) |
| Hadleigh to Svishtov | 1,268.47 mi (2,041.41 km) |
| Hadleigh to Targovishte | 1,333.84 mi (2,146.61 km) |
| Hadleigh to Teteven | 1,252.15 mi (2,015.15 km) |
| Hadleigh to Troyan | 1,271.82 mi (2,046.80 km) |
| Hadleigh to Tryavna | 1,304.48 mi (2,099.36 km) |
| Hadleigh to Tutrakan | 1,304.66 mi (2,099.65 km) |
| Hadleigh to Varna | 1,390.61 mi (2,237.97 km) |
