| West Derby to Smolyan | 1,511.92 mi (2,433.19 km) |
| West Derby to Sofia | 1,408.22 mi (2,266.31 km) |
| West Derby to Sopot | 1,465.31 mi (2,358.19 km) |
| West Derby to Sozopol | 1,591.27 mi (2,560.91 km) |
| West Derby to Sredets | 1,574.46 mi (2,533.85 km) |
| West Derby to Stamboliyski | 1,480.21 mi (2,382.18 km) |
| West Derby to Stara Zagora | 1,510.00 mi (2,430.11 km) |
| West Derby to Svilengrad | 1,561.37 mi (2,512.78 km) |
| West Derby to Svishtov | 1,446.77 mi (2,328.34 km) |
| West Derby to Targovishte | 1,511.13 mi (2,431.93 km) |
| West Derby to Teteven | 1,434.69 mi (2,308.92 km) |
| West Derby to Troyan | 1,453.67 mi (2,339.46 km) |
| West Derby to Tryavna | 1,484.99 mi (2,389.87 km) |
| West Derby to Tutrakan | 1,478.99 mi (2,380.21 km) |
| West Derby to Varna | 1,565.56 mi (2,519.53 km) |
