| Castricum to Saarijarvi | 1,027.28 mi (1,653.25 km) |
| Castricum to Salo | 883.42 mi (1,421.73 km) |
| Castricum to Sastamala | 911.75 mi (1,467.32 km) |
| Castricum to Savonlinna | 1,101.07 mi (1,772.00 km) |
| Castricum to Seinajoki | 968.95 mi (1,559.37 km) |
| Castricum to Siilinjarvi | 1,104.96 mi (1,778.26 km) |
| Castricum to Sipoo | 948.12 mi (1,525.86 km) |
| Castricum to Sippola | 1,011.92 mi (1,628.52 km) |
| Castricum to Sodankyla | 1,261.59 mi (2,030.33 km) |
| Castricum to Somero | 903.45 mi (1,453.96 km) |
| Castricum to Sotkamo | 1,162.00 mi (1,870.06 km) |
| Castricum to Tampere | 941.25 mi (1,514.80 km) |
| Castricum to Tornio | 1,138.45 mi (1,832.16 km) |
| Castricum to Turku | 860.44 mi (1,384.75 km) |
| Castricum to Tuusula | 943.02 mi (1,517.64 km) |
