| Barrow in Furness to Smolyan | 1,541.60 mi (2,480.96 km) |
| Barrow in Furness to Sofia | 1,437.64 mi (2,313.66 km) |
| Barrow in Furness to Sopot | 1,493.50 mi (2,403.55 km) |
| Barrow in Furness to Sozopol | 1,617.17 mi (2,602.59 km) |
| Barrow in Furness to Sredets | 1,600.88 mi (2,576.37 km) |
| Barrow in Furness to Stamboliyski | 1,509.32 mi (2,429.01 km) |
| Barrow in Furness to Stara Zagora | 1,537.67 mi (2,474.65 km) |
| Barrow in Furness to Svilengrad | 1,589.47 mi (2,558.00 km) |
| Barrow in Furness to Svishtov | 1,472.97 mi (2,370.51 km) |
| Barrow in Furness to Targovishte | 1,536.80 mi (2,473.24 km) |
| Barrow in Furness to Teteven | 1,462.93 mi (2,354.36 km) |
| Barrow in Furness to Troyan | 1,481.55 mi (2,384.32 km) |
| Barrow in Furness to Tryavna | 1,512.19 mi (2,433.63 km) |
| Barrow in Furness to Tutrakan | 1,503.40 mi (2,419.49 km) |
| Barrow in Furness to Varna | 1,590.13 mi (2,559.06 km) |
