| Seinajoki to Settimo Torinese | 1,357.48 mi (2,184.65 km) |
| Seinajoki to Seveso | 1,301.47 mi (2,094.51 km) |
| Seinajoki to Sezze | 1,524.40 mi (2,453.28 km) |
| Seinajoki to Siano | 1,555.82 mi (2,503.85 km) |
| Seinajoki to Siena | 1,422.80 mi (2,289.77 km) |
| Seinajoki to Signa | 1,394.88 mi (2,244.84 km) |
| Seinajoki to Silea | 1,254.54 mi (2,018.98 km) |
| Seinajoki to Silvi Paese | 1,442.51 mi (2,321.49 km) |
| Seinajoki to Sinalunga | 1,424.43 mi (2,292.40 km) |
| Seinajoki to Siniscola | 1,627.71 mi (2,619.54 km) |
| Seinajoki to Sinnai | 1,719.34 mi (2,767.01 km) |
| Seinajoki to Siracusa | 1,805.92 mi (2,906.34 km) |
| Seinajoki to Solaro | 1,304.18 mi (2,098.88 km) |
| Seinajoki to Soliera | 1,333.91 mi (2,146.72 km) |
| Seinajoki to Solofra | 1,552.36 mi (2,498.28 km) |
