| Mechernich to Siegburg | 27.97 mi (45.01 km) |
| Mechernich to Siegen | 62.88 mi (101.20 km) |
| Mechernich to Sigmaringen | 208.54 mi (335.62 km) |
| Mechernich to Simbach am Inn | 328.22 mi (528.21 km) |
| Mechernich to Simmerath | 15.36 mi (24.72 km) |
| Mechernich to Sindelfingen | 167.52 mi (269.59 km) |
| Mechernich to Sinsheim | 136.26 mi (219.28 km) |
| Mechernich to Sinzheim | 143.96 mi (231.69 km) |
| Mechernich to Sinzig | 26.68 mi (42.94 km) |
| Mechernich to Soest | 92.26 mi (148.48 km) |
| Mechernich to Solingen | 43.47 mi (69.96 km) |
| Mechernich to Soltau | 213.55 mi (343.68 km) |
| Mechernich to Sommerda | 198.52 mi (319.49 km) |
| Mechernich to Sondershausen | 190.88 mi (307.19 km) |
| Mechernich to Sonneberg | 199.33 mi (320.79 km) |
