| Karlskrona to Smolyan | 1,086.84 mi (1,749.10 km) |
| Karlskrona to Sofia | 991.53 mi (1,595.72 km) |
| Karlskrona to Sopot | 1,018.31 mi (1,638.81 km) |
| Karlskrona to Sozopol | 1,091.76 mi (1,757.02 km) |
| Karlskrona to Sredets | 1,085.18 mi (1,746.43 km) |
| Karlskrona to Stamboliyski | 1,048.13 mi (1,686.80 km) |
| Karlskrona to Stara Zagora | 1,048.78 mi (1,687.85 km) |
| Karlskrona to Svilengrad | 1,102.03 mi (1,773.54 km) |
| Karlskrona to Svishtov | 967.41 mi (1,556.89 km) |
| Karlskrona to Targovishte | 1,015.62 mi (1,634.49 km) |
| Karlskrona to Teteven | 992.58 mi (1,597.41 km) |
| Karlskrona to Troyan | 1,002.62 mi (1,613.56 km) |
| Karlskrona to Tryavna | 1,018.15 mi (1,638.55 km) |
| Karlskrona to Tutrakan | 966.43 mi (1,555.32 km) |
| Karlskrona to Varna | 1,047.03 mi (1,685.03 km) |
