| Tornio to Smolyan | 1,676.80 mi (2,698.55 km) |
| Tornio to Sofia | 1,599.82 mi (2,574.66 km) |
| Tornio to Sopot | 1,603.13 mi (2,579.99 km) |
| Tornio to Sozopol | 1,624.84 mi (2,614.93 km) |
| Tornio to Sredets | 1,627.94 mi (2,619.92 km) |
| Tornio to Stamboliyski | 1,638.73 mi (2,637.28 km) |
| Tornio to Stara Zagora | 1,618.97 mi (2,605.48 km) |
| Tornio to Svilengrad | 1,665.89 mi (2,680.99 km) |
| Tornio to Svishtov | 1,536.85 mi (2,473.32 km) |
| Tornio to Targovishte | 1,564.27 mi (2,517.46 km) |
| Tornio to Teteven | 1,584.54 mi (2,550.08 km) |
| Tornio to Troyan | 1,586.99 mi (2,554.02 km) |
| Tornio to Tryavna | 1,588.82 mi (2,556.96 km) |
| Tornio to Tutrakan | 1,509.14 mi (2,428.72 km) |
| Tornio to Varna | 1,570.42 mi (2,527.35 km) |
