| Sorgues to Smolyan | 1,016.55 mi (1,635.97 km) |
| Sorgues to Sofia | 929.73 mi (1,496.25 km) |
| Sorgues to Sopot | 1,001.00 mi (1,610.95 km) |
| Sorgues to Sozopol | 1,151.05 mi (1,852.44 km) |
| Sorgues to Sredets | 1,127.29 mi (1,814.19 km) |
| Sorgues to Stamboliyski | 998.34 mi (1,606.68 km) |
| Sorgues to Stara Zagora | 1,048.97 mi (1,688.16 km) |
| Sorgues to Svilengrad | 1,087.62 mi (1,750.35 km) |
| Sorgues to Svishtov | 1,018.71 mi (1,639.45 km) |
| Sorgues to Targovishte | 1,083.91 mi (1,744.38 km) |
| Sorgues to Teteven | 973.28 mi (1,566.34 km) |
| Sorgues to Troyan | 996.07 mi (1,603.01 km) |
| Sorgues to Tryavna | 1,035.17 mi (1,665.95 km) |
| Sorgues to Tutrakan | 1,077.04 mi (1,733.33 km) |
| Sorgues to Varna | 1,150.33 mi (1,851.28 km) |
