| Karlovo to Siegburg | 1,002.41 mi (1,613.22 km) |
| Karlovo to Siegen | 973.89 mi (1,567.32 km) |
| Karlovo to Sigmaringen | 843.03 mi (1,356.72 km) |
| Karlovo to Simbach am Inn | 689.81 mi (1,110.14 km) |
| Karlovo to Simmerath | 1,031.79 mi (1,660.50 km) |
| Karlovo to Sindelfingen | 868.23 mi (1,397.27 km) |
| Karlovo to Sinsheim | 888.22 mi (1,429.45 km) |
| Karlovo to Sinzheim | 904.75 mi (1,456.05 km) |
| Karlovo to Sinzig | 992.52 mi (1,597.31 km) |
| Karlovo to Soest | 994.57 mi (1,600.60 km) |
| Karlovo to Solingen | 1,018.87 mi (1,639.71 km) |
| Karlovo to Soltau | 992.71 mi (1,597.62 km) |
| Karlovo to Sommerda | 871.55 mi (1,402.62 km) |
| Karlovo to Sondershausen | 888.73 mi (1,430.27 km) |
| Karlovo to Sonneberg | 837.05 mi (1,347.09 km) |
