| Castlebar to Saarijarvi | 1,373.73 mi (2,210.80 km) |
| Castlebar to Salo | 1,281.14 mi (2,061.79 km) |
| Castlebar to Sastamala | 1,282.66 mi (2,064.24 km) |
| Castlebar to Savonlinna | 1,481.92 mi (2,384.92 km) |
| Castlebar to Seinajoki | 1,300.15 mi (2,092.40 km) |
| Castlebar to Siilinjarvi | 1,452.54 mi (2,337.64 km) |
| Castlebar to Sipoo | 1,354.12 mi (2,179.24 km) |
| Castlebar to Sippola | 1,414.27 mi (2,276.04 km) |
| Castlebar to Sodankyla | 1,499.01 mi (2,412.43 km) |
| Castlebar to Somero | 1,296.24 mi (2,086.10 km) |
| Castlebar to Sotkamo | 1,486.75 mi (2,392.69 km) |
| Castlebar to Tampere | 1,312.14 mi (2,111.69 km) |
| Castlebar to Tornio | 1,398.75 mi (2,251.07 km) |
| Castlebar to Turku | 1,252.57 mi (2,015.81 km) |
| Castlebar to Tuusula | 1,346.84 mi (2,167.53 km) |
