| Westhoughton to Smolyan | 1,500.48 mi (2,414.79 km) |
| Westhoughton to Sofia | 1,396.68 mi (2,247.74 km) |
| Westhoughton to Sopot | 1,453.37 mi (2,338.97 km) |
| Westhoughton to Sozopol | 1,578.63 mi (2,540.56 km) |
| Westhoughton to Sredets | 1,561.97 mi (2,513.75 km) |
| Westhoughton to Stamboliyski | 1,468.58 mi (2,363.44 km) |
| Westhoughton to Stara Zagora | 1,497.89 mi (2,410.63 km) |
| Westhoughton to Svilengrad | 1,549.40 mi (2,493.53 km) |
| Westhoughton to Svishtov | 1,434.20 mi (2,308.12 km) |
| Westhoughton to Targovishte | 1,498.41 mi (2,411.46 km) |
| Westhoughton to Teteven | 1,422.76 mi (2,289.72 km) |
| Westhoughton to Troyan | 1,441.63 mi (2,320.07 km) |
| Westhoughton to Tryavna | 1,472.73 mi (2,370.13 km) |
| Westhoughton to Tutrakan | 1,465.91 mi (2,359.15 km) |
| Westhoughton to Varna | 1,552.53 mi (2,498.56 km) |
