| Caerphilly to Saarijarvi | 1,298.04 mi (2,089.00 km) |
| Caerphilly to Salo | 1,174.43 mi (1,890.06 km) |
| Caerphilly to Sastamala | 1,191.27 mi (1,917.17 km) |
| Caerphilly to Savonlinna | 1,388.60 mi (2,234.74 km) |
| Caerphilly to Seinajoki | 1,231.25 mi (1,981.51 km) |
| Caerphilly to Siilinjarvi | 1,377.73 mi (2,217.25 km) |
| Caerphilly to Sipoo | 1,243.99 mi (2,002.00 km) |
| Caerphilly to Sippola | 1,307.29 mi (2,103.89 km) |
| Caerphilly to Sodankyla | 1,484.91 mi (2,389.73 km) |
| Caerphilly to Somero | 1,192.68 mi (1,919.44 km) |
| Caerphilly to Sotkamo | 1,425.31 mi (2,293.81 km) |
| Caerphilly to Tampere | 1,221.42 mi (1,965.69 km) |
| Caerphilly to Tornio | 1,370.41 mi (2,205.46 km) |
| Caerphilly to Turku | 1,148.45 mi (1,848.25 km) |
| Caerphilly to Tuusula | 1,237.85 mi (1,992.13 km) |
