| Trecastagni to Smolyan | 580.22 mi (933.77 km) |
| Trecastagni to Sofia | 558.99 mi (899.60 km) |
| Trecastagni to Sopot | 617.18 mi (993.26 km) |
| Trecastagni to Sozopol | 744.41 mi (1,198.01 km) |
| Trecastagni to Sredets | 719.08 mi (1,157.26 km) |
| Trecastagni to Stamboliyski | 589.78 mi (949.16 km) |
| Trecastagni to Stara Zagora | 649.91 mi (1,045.92 km) |
| Trecastagni to Svilengrad | 656.22 mi (1,056.09 km) |
| Trecastagni to Svishtov | 678.69 mi (1,092.25 km) |
| Trecastagni to Targovishte | 718.21 mi (1,155.84 km) |
| Trecastagni to Teteven | 606.44 mi (975.97 km) |
| Trecastagni to Troyan | 624.23 mi (1,004.60 km) |
| Trecastagni to Tryavna | 657.57 mi (1,058.26 km) |
| Trecastagni to Tutrakan | 747.89 mi (1,203.61 km) |
| Trecastagni to Varna | 776.85 mi (1,250.22 km) |
