| Idstein to Saarijarvi | 1,072.02 mi (1,725.25 km) |
| Idstein to Salo | 909.22 mi (1,463.25 km) |
| Idstein to Sastamala | 951.28 mi (1,530.94 km) |
| Idstein to Savonlinna | 1,122.11 mi (1,805.86 km) |
| Idstein to Seinajoki | 1,025.70 mi (1,650.71 km) |
| Idstein to Siilinjarvi | 1,144.32 mi (1,841.60 km) |
| Idstein to Sipoo | 963.70 mi (1,550.93 km) |
| Idstein to Sippola | 1,025.41 mi (1,650.24 km) |
| Idstein to Sodankyla | 1,344.73 mi (2,164.14 km) |
| Idstein to Somero | 930.66 mi (1,497.76 km) |
| Idstein to Sotkamo | 1,210.06 mi (1,947.41 km) |
| Idstein to Tampere | 978.51 mi (1,574.75 km) |
| Idstein to Tornio | 1,218.02 mi (1,960.21 km) |
| Idstein to Turku | 891.66 mi (1,434.98 km) |
| Idstein to Tuusula | 960.34 mi (1,545.52 km) |
