| San Giovanni Valdarno to Smolyan | 683.02 mi (1,099.21 km) |
| San Giovanni Valdarno to Sofia | 597.33 mi (961.31 km) |
| San Giovanni Valdarno to Sopot | 668.99 mi (1,076.64 km) |
| San Giovanni Valdarno to Sozopol | 819.61 mi (1,319.04 km) |
| San Giovanni Valdarno to Sredets | 795.47 mi (1,280.19 km) |
| San Giovanni Valdarno to Stamboliyski | 665.22 mi (1,070.57 km) |
| San Giovanni Valdarno to Stara Zagora | 716.77 mi (1,153.53 km) |
| San Giovanni Valdarno to Svilengrad | 754.43 mi (1,214.14 km) |
| San Giovanni Valdarno to Svishtov | 690.67 mi (1,111.52 km) |
| San Giovanni Valdarno to Targovishte | 754.75 mi (1,214.65 km) |
| San Giovanni Valdarno to Teteven | 641.87 mi (1,032.99 km) |
| San Giovanni Valdarno to Troyan | 664.74 mi (1,069.79 km) |
| San Giovanni Valdarno to Tryavna | 704.12 mi (1,133.17 km) |
| San Giovanni Valdarno to Tutrakan | 751.82 mi (1,209.94 km) |
| San Giovanni Valdarno to Varna | 821.64 mi (1,322.31 km) |
