| Langenfeld to Siegburg | 24.44 mi (39.33 km) |
| Langenfeld to Siegen | 49.11 mi (79.03 km) |
| Langenfeld to Sigmaringen | 232.63 mi (374.38 km) |
| Langenfeld to Simbach am Inn | 334.94 mi (539.04 km) |
| Langenfeld to Simmerath | 45.60 mi (73.38 km) |
| Langenfeld to Sindelfingen | 189.50 mi (304.97 km) |
| Langenfeld to Sinsheim | 154.75 mi (249.04 km) |
| Langenfeld to Sinzheim | 171.46 mi (275.93 km) |
| Langenfeld to Sinzig | 41.62 mi (66.98 km) |
| Langenfeld to Soest | 59.06 mi (95.05 km) |
| Langenfeld to Solingen | 6.73 mi (10.83 km) |
| Langenfeld to Soltau | 177.86 mi (286.23 km) |
| Langenfeld to Sommerda | 180.64 mi (290.72 km) |
| Langenfeld to Sondershausen | 170.27 mi (274.03 km) |
| Langenfeld to Sonneberg | 191.83 mi (308.72 km) |
