| Ponte San Pietro to Smolyan | 805.78 mi (1,296.78 km) |
| Ponte San Pietro to Sofia | 710.47 mi (1,143.39 km) |
| Ponte San Pietro to Sopot | 778.95 mi (1,253.61 km) |
| Ponte San Pietro to Sozopol | 925.24 mi (1,489.02 km) |
| Ponte San Pietro to Sredets | 902.97 mi (1,453.19 km) |
| Ponte San Pietro to Stamboliyski | 782.17 mi (1,258.78 km) |
| Ponte San Pietro to Stara Zagora | 827.09 mi (1,331.07 km) |
| Ponte San Pietro to Svilengrad | 870.79 mi (1,401.41 km) |
| Ponte San Pietro to Svishtov | 786.54 mi (1,265.81 km) |
| Ponte San Pietro to Targovishte | 853.08 mi (1,372.91 km) |
| Ponte San Pietro to Teteven | 749.56 mi (1,206.31 km) |
| Ponte San Pietro to Troyan | 771.77 mi (1,242.05 km) |
| Ponte San Pietro to Tryavna | 809.51 mi (1,302.78 km) |
| Ponte San Pietro to Tutrakan | 839.89 mi (1,351.67 km) |
| Ponte San Pietro to Varna | 917.89 mi (1,477.20 km) |
