| Piedmont to Smolyan | 6,567.77 mi (10,569.80 km) |
| Piedmont to Sofia | 6,467.59 mi (10,408.59 km) |
| Piedmont to Sopot | 6,502.41 mi (10,464.61 km) |
| Piedmont to Sozopol | 6,579.34 mi (10,588.43 km) |
| Piedmont to Sredets | 6,573.35 mi (10,578.78 km) |
| Piedmont to Stamboliyski | 6,529.80 mi (10,508.70 km) |
| Piedmont to Stara Zagora | 6,535.49 mi (10,517.85 km) |
| Piedmont to Svilengrad | 6,589.12 mi (10,604.16 km) |
| Piedmont to Svishtov | 6,454.98 mi (10,388.29 km) |
| Piedmont to Targovishte | 6,503.83 mi (10,466.90 km) |
| Piedmont to Teteven | 6,475.17 mi (10,420.77 km) |
| Piedmont to Troyan | 6,487.14 mi (10,440.04 km) |
| Piedmont to Tryavna | 6,505.11 mi (10,468.97 km) |
| Piedmont to Tutrakan | 6,454.09 mi (10,386.85 km) |
| Piedmont to Varna | 6,532.93 mi (10,513.74 km) |
