| Louth to Sestu | 1,062.46 mi (1,709.86 km) |
| Louth to Settimo Torinese | 667.35 mi (1,073.99 km) |
| Louth to Seveso | 671.99 mi (1,081.46 km) |
| Louth to Sezze | 1,019.13 mi (1,640.12 km) |
| Louth to Siano | 1,105.42 mi (1,779.00 km) |
| Louth to Siena | 865.63 mi (1,393.09 km) |
| Louth to Signa | 832.38 mi (1,339.59 km) |
| Louth to Silea | 765.21 mi (1,231.48 km) |
| Louth to Silvi Paese | 989.15 mi (1,591.89 km) |
| Louth to Sinalunga | 882.53 mi (1,420.30 km) |
| Louth to Siniscola | 993.16 mi (1,598.33 km) |
| Louth to Sinnai | 1,064.38 mi (1,712.96 km) |
| Louth to Siracusa | 1,343.58 mi (2,162.28 km) |
| Louth to Solaro | 672.17 mi (1,081.75 km) |
| Louth to Soliera | 773.10 mi (1,244.19 km) |
