| Ratingen to Siegburg | 37.73 mi (60.72 km) |
| Ratingen to Siegen | 58.24 mi (93.73 km) |
| Ratingen to Sigmaringen | 245.89 mi (395.72 km) |
| Ratingen to Simbach am Inn | 345.65 mi (556.27 km) |
| Ratingen to Simmerath | 53.97 mi (86.86 km) |
| Ratingen to Sindelfingen | 202.66 mi (326.15 km) |
| Ratingen to Sinsheim | 167.69 mi (269.86 km) |
| Ratingen to Sinzheim | 184.84 mi (297.47 km) |
| Ratingen to Sinzig | 55.00 mi (88.52 km) |
| Ratingen to Soest | 57.38 mi (92.34 km) |
| Ratingen to Solingen | 13.66 mi (21.99 km) |
| Ratingen to Soltau | 171.82 mi (276.51 km) |
| Ratingen to Sommerda | 184.83 mi (297.45 km) |
| Ratingen to Sondershausen | 173.44 mi (279.12 km) |
| Ratingen to Sonneberg | 199.48 mi (321.02 km) |
