| Alessandria to Smolyan | 839.93 mi (1,351.73 km) |
| Alessandria to Sofia | 748.33 mi (1,204.32 km) |
| Alessandria to Sopot | 818.42 mi (1,317.12 km) |
| Alessandria to Sozopol | 966.94 mi (1,556.14 km) |
| Alessandria to Sredets | 943.88 mi (1,519.03 km) |
| Alessandria to Stamboliyski | 818.78 mi (1,317.70 km) |
| Alessandria to Stara Zagora | 866.61 mi (1,394.68 km) |
| Alessandria to Svilengrad | 907.98 mi (1,461.25 km) |
| Alessandria to Svishtov | 831.28 mi (1,337.82 km) |
| Alessandria to Targovishte | 897.24 mi (1,443.96 km) |
| Alessandria to Teteven | 789.79 mi (1,271.04 km) |
| Alessandria to Troyan | 812.35 mi (1,307.35 km) |
| Alessandria to Tryavna | 850.89 mi (1,369.37 km) |
| Alessandria to Tutrakan | 887.50 mi (1,428.29 km) |
| Alessandria to Varna | 963.01 mi (1,549.82 km) |
