| Sansepolcro to Smolyan | 652.78 mi (1,050.56 km) |
| Sansepolcro to Sofia | 566.78 mi (912.15 km) |
| Sansepolcro to Sopot | 638.42 mi (1,027.44 km) |
| Sansepolcro to Sozopol | 789.02 mi (1,269.81 km) |
| Sansepolcro to Sredets | 764.90 mi (1,230.99 km) |
| Sansepolcro to Stamboliyski | 634.78 mi (1,021.58 km) |
| Sansepolcro to Stara Zagora | 686.21 mi (1,104.35 km) |
| Sansepolcro to Svilengrad | 724.01 mi (1,165.18 km) |
| Sansepolcro to Svishtov | 660.12 mi (1,062.37 km) |
| Sansepolcro to Targovishte | 724.16 mi (1,165.43 km) |
| Sansepolcro to Teteven | 611.28 mi (983.75 km) |
| Sansepolcro to Troyan | 634.14 mi (1,020.55 km) |
| Sansepolcro to Tryavna | 673.52 mi (1,083.93 km) |
| Sansepolcro to Tutrakan | 721.40 mi (1,160.98 km) |
| Sansepolcro to Varna | 791.07 mi (1,273.10 km) |
