| Dunstable to Smolyan | 1,379.87 mi (2,220.69 km) |
| Dunstable to Sofia | 1,276.81 mi (2,054.83 km) |
| Dunstable to Sopot | 1,336.03 mi (2,150.13 km) |
| Dunstable to Sozopol | 1,466.05 mi (2,359.37 km) |
| Dunstable to Sredets | 1,448.25 mi (2,330.74 km) |
| Dunstable to Stamboliyski | 1,349.24 mi (2,171.40 km) |
| Dunstable to Stara Zagora | 1,381.56 mi (2,223.41 km) |
| Dunstable to Svilengrad | 1,432.07 mi (2,304.69 km) |
| Dunstable to Svishtov | 1,321.26 mi (2,126.36 km) |
| Dunstable to Targovishte | 1,386.52 mi (2,231.39 km) |
| Dunstable to Teteven | 1,305.37 mi (2,100.79 km) |
| Dunstable to Troyan | 1,324.98 mi (2,132.34 km) |
| Dunstable to Tryavna | 1,357.51 mi (2,184.70 km) |
| Dunstable to Tutrakan | 1,356.97 mi (2,183.83 km) |
| Dunstable to Varna | 1,443.01 mi (2,322.31 km) |
