| Ridderkerk to Saarijarvi | 1,066.13 mi (1,715.78 km) |
| Ridderkerk to Salo | 919.35 mi (1,479.55 km) |
| Ridderkerk to Sastamala | 949.62 mi (1,528.26 km) |
| Ridderkerk to Savonlinna | 1,137.00 mi (1,829.82 km) |
| Ridderkerk to Seinajoki | 1,009.11 mi (1,624.00 km) |
| Ridderkerk to Siilinjarvi | 1,143.32 mi (1,839.99 km) |
| Ridderkerk to Sipoo | 982.84 mi (1,581.73 km) |
| Ridderkerk to Sippola | 1,046.54 mi (1,684.24 km) |
| Ridderkerk to Sodankyla | 1,305.00 mi (2,100.20 km) |
| Ridderkerk to Somero | 939.64 mi (1,512.21 km) |
| Ridderkerk to Sotkamo | 1,201.55 mi (1,933.70 km) |
| Ridderkerk to Tampere | 978.92 mi (1,575.41 km) |
| Ridderkerk to Tornio | 1,181.38 mi (1,901.24 km) |
| Ridderkerk to Turku | 897.03 mi (1,443.63 km) |
| Ridderkerk to Tuusula | 977.97 mi (1,573.88 km) |
