| Niederkassel to Saarijarvi | 1,065.20 mi (1,714.28 km) |
| Niederkassel to Salo | 907.28 mi (1,460.12 km) |
| Niederkassel to Sastamala | 945.41 mi (1,521.49 km) |
| Niederkassel to Savonlinna | 1,122.77 mi (1,806.92 km) |
| Niederkassel to Seinajoki | 1,014.98 mi (1,633.45 km) |
| Niederkassel to Siilinjarvi | 1,139.47 mi (1,833.81 km) |
| Niederkassel to Sipoo | 965.22 mi (1,553.37 km) |
| Niederkassel to Sippola | 1,027.91 mi (1,654.26 km) |
| Niederkassel to Sodankyla | 1,327.09 mi (2,135.74 km) |
| Niederkassel to Somero | 928.42 mi (1,494.16 km) |
| Niederkassel to Sotkamo | 1,202.81 mi (1,935.74 km) |
| Niederkassel to Tampere | 973.49 mi (1,566.68 km) |
| Niederkassel to Tornio | 1,201.09 mi (1,932.96 km) |
| Niederkassel to Turku | 887.94 mi (1,429.00 km) |
| Niederkassel to Tuusula | 961.31 mi (1,547.07 km) |
