| Cities | Distance |
|---|
| Sondrio to Smolyan | 802.12 mi (1,290.88 km) |
| Sondrio to Sofia | 704.93 mi (1,134.48 km) |
| Sondrio to Sopot | 772.26 mi (1,242.83 km) |
| Sondrio to Sozopol | 916.87 mi (1,475.56 km) |
| Sondrio to Sredets | 895.13 mi (1,440.57 km) |
| Sondrio to Stamboliyski | 777.15 mi (1,250.70 km) |
| Sondrio to Stara Zagora | 820.24 mi (1,320.05 km) |
| Sondrio to Svilengrad | 865.22 mi (1,392.44 km) |
| Sondrio to Svishtov | 776.60 mi (1,249.82 km) |
| Sondrio to Targovishte | 843.36 mi (1,357.26 km) |
| Sondrio to Teteven | 742.50 mi (1,194.94 km) |
| Sondrio to Troyan | 764.43 mi (1,230.23 km) |
| Sondrio to Tryavna | 801.59 mi (1,290.04 km) |
| Sondrio to Tutrakan | 828.02 mi (1,332.56 km) |
| Sondrio to Varna | 907.43 mi (1,460.37 km) |
