| Frondenberg to Siegburg | 52.33 mi (84.22 km) |
| Frondenberg to Siegen | 42.10 mi (67.75 km) |
| Frondenberg to Sigmaringen | 242.67 mi (390.54 km) |
| Frondenberg to Simbach am Inn | 321.91 mi (518.07 km) |
| Frondenberg to Simmerath | 87.67 mi (141.09 km) |
| Frondenberg to Sindelfingen | 198.32 mi (319.17 km) |
| Frondenberg to Sinsheim | 161.22 mi (259.46 km) |
| Frondenberg to Sinzheim | 188.08 mi (302.69 km) |
| Frondenberg to Sinzig | 67.81 mi (109.13 km) |
| Frondenberg to Soest | 16.28 mi (26.19 km) |
| Frondenberg to Solingen | 36.24 mi (58.32 km) |
| Frondenberg to Soltau | 136.23 mi (219.24 km) |
| Frondenberg to Sommerda | 146.28 mi (235.41 km) |
| Frondenberg to Sondershausen | 133.80 mi (215.33 km) |
| Frondenberg to Sonneberg | 167.19 mi (269.07 km) |
