| Formby to Smolyan | 1,521.19 mi (2,448.12 km) |
| Formby to Sofia | 1,417.45 mi (2,281.16 km) |
| Formby to Sopot | 1,474.36 mi (2,372.75 km) |
| Formby to Sozopol | 1,599.97 mi (2,574.91 km) |
| Formby to Sredets | 1,583.24 mi (2,547.98 km) |
| Formby to Stamboliyski | 1,489.40 mi (2,396.96 km) |
| Formby to Stara Zagora | 1,518.97 mi (2,444.55 km) |
| Formby to Svilengrad | 1,570.41 mi (2,527.33 km) |
| Formby to Svishtov | 1,455.51 mi (2,342.41 km) |
| Formby to Targovishte | 1,519.79 mi (2,445.87 km) |
| Formby to Teteven | 1,443.75 mi (2,323.49 km) |
| Formby to Troyan | 1,462.67 mi (2,353.95 km) |
| Formby to Tryavna | 1,493.89 mi (2,404.18 km) |
| Formby to Tutrakan | 1,487.45 mi (2,393.82 km) |
| Formby to Varna | 1,574.05 mi (2,533.19 km) |
