| Gustavsberg to Smolyan | 1,256.13 mi (2,021.55 km) |
| Gustavsberg to Sofia | 1,168.40 mi (1,880.36 km) |
| Gustavsberg to Sopot | 1,184.19 mi (1,905.77 km) |
| Gustavsberg to Sozopol | 1,234.61 mi (1,986.91 km) |
| Gustavsberg to Sredets | 1,232.36 mi (1,983.30 km) |
| Gustavsberg to Stamboliyski | 1,217.21 mi (1,958.91 km) |
| Gustavsberg to Stara Zagora | 1,208.17 mi (1,944.36 km) |
| Gustavsberg to Svilengrad | 1,259.27 mi (2,026.60 km) |
| Gustavsberg to Svishtov | 1,125.07 mi (1,810.62 km) |
| Gustavsberg to Targovishte | 1,164.29 mi (1,873.75 km) |
| Gustavsberg to Teteven | 1,161.52 mi (1,869.28 km) |
| Gustavsberg to Troyan | 1,168.05 mi (1,879.79 km) |
| Gustavsberg to Tryavna | 1,177.27 mi (1,894.64 km) |
| Gustavsberg to Tutrakan | 1,111.31 mi (1,788.48 km) |
| Gustavsberg to Varna | 1,184.56 mi (1,906.36 km) |
