| Farnworth to Smolyan | 1,495.48 mi (2,406.74 km) |
| Farnworth to Sofia | 1,391.67 mi (2,239.68 km) |
| Farnworth to Sopot | 1,448.30 mi (2,330.82 km) |
| Farnworth to Sozopol | 1,573.48 mi (2,532.27 km) |
| Farnworth to Sredets | 1,556.84 mi (2,505.49 km) |
| Farnworth to Stamboliyski | 1,463.55 mi (2,355.36 km) |
| Farnworth to Stara Zagora | 1,492.81 mi (2,402.44 km) |
| Farnworth to Svilengrad | 1,544.34 mi (2,485.37 km) |
| Farnworth to Svishtov | 1,429.06 mi (2,299.85 km) |
| Farnworth to Targovishte | 1,493.26 mi (2,403.16 km) |
| Farnworth to Teteven | 1,417.70 mi (2,281.57 km) |
| Farnworth to Troyan | 1,436.55 mi (2,311.90 km) |
| Farnworth to Tryavna | 1,467.63 mi (2,361.92 km) |
| Farnworth to Tutrakan | 1,460.72 mi (2,350.80 km) |
| Farnworth to Varna | 1,547.34 mi (2,490.21 km) |
