| Frederikssund to Settimo Torinese | 762.71 mi (1,227.46 km) |
| Frederikssund to Seveso | 715.44 mi (1,151.39 km) |
| Frederikssund to Sezze | 991.36 mi (1,595.44 km) |
| Frederikssund to Siano | 1,045.33 mi (1,682.30 km) |
| Frederikssund to Siena | 865.32 mi (1,392.59 km) |
| Frederikssund to Signa | 833.67 mi (1,341.66 km) |
| Frederikssund to Silea | 703.34 mi (1,131.92 km) |
| Frederikssund to Silvi Paese | 922.34 mi (1,484.36 km) |
| Frederikssund to Sinalunga | 871.85 mi (1,403.10 km) |
| Frederikssund to Siniscola | 1,059.77 mi (1,705.54 km) |
| Frederikssund to Sinnai | 1,149.69 mi (1,850.24 km) |
| Frederikssund to Siracusa | 1,305.16 mi (2,100.45 km) |
| Frederikssund to Solaro | 717.79 mi (1,155.18 km) |
| Frederikssund to Soliera | 768.23 mi (1,236.35 km) |
| Frederikssund to Solofra | 1,044.04 mi (1,680.22 km) |
