| Truro to Smolyan | 1,537.49 mi (2,474.36 km) |
| Truro to Sofia | 1,437.02 mi (2,312.66 km) |
| Truro to Sopot | 1,500.64 mi (2,415.04 km) |
| Truro to Sozopol | 1,637.98 mi (2,636.07 km) |
| Truro to Sredets | 1,618.41 mi (2,604.58 km) |
| Truro to Stamboliyski | 1,509.81 mi (2,429.81 km) |
| Truro to Stara Zagora | 1,547.63 mi (2,490.67 km) |
| Truro to Svilengrad | 1,595.81 mi (2,568.21 km) |
| Truro to Svishtov | 1,493.80 mi (2,404.04 km) |
| Truro to Targovishte | 1,560.22 mi (2,510.93 km) |
| Truro to Teteven | 1,470.16 mi (2,365.99 km) |
| Truro to Troyan | 1,490.98 mi (2,399.50 km) |
| Truro to Tryavna | 1,525.81 mi (2,455.55 km) |
| Truro to Tutrakan | 1,535.48 mi (2,471.11 km) |
| Truro to Varna | 1,619.99 mi (2,607.12 km) |
