| Karlskoga to Smolyan | 1,302.18 mi (2,095.66 km) |
| Karlskoga to Sofia | 1,208.95 mi (1,945.62 km) |
| Karlskoga to Sopot | 1,232.33 mi (1,983.24 km) |
| Karlskoga to Sozopol | 1,297.03 mi (2,087.37 km) |
| Karlskoga to Sredets | 1,292.27 mi (2,079.71 km) |
| Karlskoga to Stamboliyski | 1,263.30 mi (2,033.09 km) |
| Karlskoga to Stara Zagora | 1,260.57 mi (2,028.70 km) |
| Karlskoga to Svilengrad | 1,313.18 mi (2,113.36 km) |
| Karlskoga to Svishtov | 1,178.27 mi (1,896.24 km) |
| Karlskoga to Targovishte | 1,223.08 mi (1,968.35 km) |
| Karlskoga to Teteven | 1,207.55 mi (1,943.37 km) |
| Karlskoga to Troyan | 1,216.44 mi (1,957.66 km) |
| Karlskoga to Tryavna | 1,229.74 mi (1,979.08 km) |
| Karlskoga to Tutrakan | 1,172.08 mi (1,886.27 km) |
| Karlskoga to Varna | 1,249.78 mi (2,011.32 km) |
