| Cities | Distance |
|---|
| Sondrio to Popovo | 824.47 mi (1,326.85 km) |
| Sondrio to Provadia | 885.23 mi (1,424.64 km) |
| Sondrio to Radnevo | 837.19 mi (1,347.33 km) |
| Sondrio to Radomir | 691.82 mi (1,113.38 km) |
| Sondrio to Rakitovo | 761.14 mi (1,224.93 km) |
| Sondrio to Rakovski | 792.51 mi (1,275.43 km) |
| Sondrio to Razgrad | 833.82 mi (1,341.91 km) |
| Sondrio to Razlog | 736.30 mi (1,184.96 km) |
| Sondrio to Ruse | 800.92 mi (1,288.95 km) |
| Sondrio to Samokov | 726.02 mi (1,168.41 km) |
| Sondrio to Sandanski | 738.60 mi (1,188.67 km) |
| Sondrio to Sevlievo | 779.37 mi (1,254.27 km) |
| Sondrio to Shumen | 859.20 mi (1,382.74 km) |
| Sondrio to Silistra | 857.50 mi (1,380.00 km) |
| Sondrio to Sliven | 845.53 mi (1,360.74 km) |
