| San Severino Marche to Smolyan | 598.25 mi (962.79 km) |
| San Severino Marche to Sofia | 514.32 mi (827.72 km) |
| San Severino Marche to Sopot | 586.27 mi (943.51 km) |
| San Severino Marche to Sozopol | 737.18 mi (1,186.38 km) |
| San Severino Marche to Sredets | 712.77 mi (1,147.09 km) |
| San Severino Marche to Stamboliyski | 581.30 mi (935.51 km) |
| San Severino Marche to Stara Zagora | 633.80 mi (1,020.00 km) |
| San Severino Marche to Svilengrad | 670.36 mi (1,078.84 km) |
| San Severino Marche to Svishtov | 610.91 mi (983.16 km) |
| San Severino Marche to Targovishte | 674.07 mi (1,084.81 km) |
| San Severino Marche to Teteven | 559.72 mi (900.78 km) |
| San Severino Marche to Troyan | 582.61 mi (937.62 km) |
| San Severino Marche to Tryavna | 622.15 mi (1,001.25 km) |
| San Severino Marche to Tutrakan | 673.65 mi (1,084.14 km) |
| San Severino Marche to Varna | 741.15 mi (1,192.76 km) |
