| Cities | Distance |
|---|---|
| Sankt Gallen to Popovo | 863.24 mi (1,389.24 km) |
| Sankt Gallen to Provadia | 922.87 mi (1,485.21 km) |
| Sankt Gallen to Radnevo | 882.75 mi (1,420.65 km) |
| Sankt Gallen to Radomir | 742.74 mi (1,195.32 km) |
| Sankt Gallen to Rakitovo | 812.63 mi (1,307.80 km) |
| Sankt Gallen to Rakovski | 840.22 mi (1,352.21 km) |
| Sankt Gallen to Razgrad | 870.95 mi (1,401.66 km) |
| Sankt Gallen to Razlog | 789.87 mi (1,271.18 km) |
| Sankt Gallen to Ruse | 837.17 mi (1,347.30 km) |
| Sankt Gallen to Samokov | 776.73 mi (1,250.03 km) |
| Sankt Gallen to Sandanski | 794.39 mi (1,278.44 km) |
| Sankt Gallen to Sevlievo | 822.34 mi (1,323.42 km) |
| Sankt Gallen to Shumen | 897.12 mi (1,443.77 km) |
| Sankt Gallen to Silistra | 889.73 mi (1,431.88 km) |
| Sankt Gallen to Sliven | 888.09 mi (1,429.25 km) |