| Falmouth to Smolyan | 1,536.83 mi (2,473.29 km) |
| Falmouth to Sofia | 1,436.51 mi (2,311.83 km) |
| Falmouth to Sopot | 1,500.30 mi (2,414.50 km) |
| Falmouth to Sozopol | 1,637.96 mi (2,636.03 km) |
| Falmouth to Sredets | 1,618.31 mi (2,604.41 km) |
| Falmouth to Stamboliyski | 1,509.29 mi (2,428.97 km) |
| Falmouth to Stara Zagora | 1,547.35 mi (2,490.22 km) |
| Falmouth to Svilengrad | 1,595.41 mi (2,567.56 km) |
| Falmouth to Svishtov | 1,493.85 mi (2,404.12 km) |
| Falmouth to Targovishte | 1,560.31 mi (2,511.07 km) |
| Falmouth to Teteven | 1,469.84 mi (2,365.49 km) |
| Falmouth to Troyan | 1,490.71 mi (2,399.07 km) |
| Falmouth to Tryavna | 1,525.64 mi (2,455.28 km) |
| Falmouth to Tutrakan | 1,535.81 mi (2,471.65 km) |
| Falmouth to Varna | 1,620.23 mi (2,607.51 km) |
