| Redruth to Smolyan | 1,544.62 mi (2,485.83 km) |
| Redruth to Sofia | 1,444.21 mi (2,324.24 km) |
| Redruth to Sopot | 1,507.90 mi (2,426.73 km) |
| Redruth to Sozopol | 1,645.36 mi (2,647.95 km) |
| Redruth to Sredets | 1,625.76 mi (2,616.41 km) |
| Redruth to Stamboliyski | 1,517.00 mi (2,441.38 km) |
| Redruth to Stara Zagora | 1,554.92 mi (2,502.40 km) |
| Redruth to Svilengrad | 1,603.05 mi (2,579.86 km) |
| Redruth to Svishtov | 1,501.21 mi (2,415.96 km) |
| Redruth to Targovishte | 1,567.64 mi (2,522.88 km) |
| Redruth to Teteven | 1,477.43 mi (2,377.70 km) |
| Redruth to Troyan | 1,498.27 mi (2,411.24 km) |
| Redruth to Tryavna | 1,533.14 mi (2,467.34 km) |
| Redruth to Tutrakan | 1,542.98 mi (2,483.18 km) |
| Redruth to Varna | 1,627.46 mi (2,619.15 km) |
