| Sigulda to Solofra | 1,212.41 mi (1,951.19 km) |
| Sigulda to Somma Lombardo | 1,049.64 mi (1,689.24 km) |
| Sigulda to Somma Vesuviana | 1,216.73 mi (1,958.13 km) |
| Sigulda to Sommacampagna | 1,008.83 mi (1,623.55 km) |
| Sigulda to Sona | 1,007.29 mi (1,621.07 km) |
| Sigulda to Sondrio | 989.92 mi (1,593.12 km) |
| Sigulda to Sora | 1,176.53 mi (1,893.45 km) |
| Sigulda to Sorbolo | 1,051.69 mi (1,692.53 km) |
| Sigulda to Soresina | 1,041.08 mi (1,675.45 km) |
| Sigulda to Sorisole | 1,020.37 mi (1,642.13 km) |
| Sigulda to Sorrento | 1,233.80 mi (1,985.61 km) |
| Sigulda to Sorso | 1,342.26 mi (2,160.16 km) |
| Sigulda to Sortino | 1,452.49 mi (2,337.56 km) |
| Sigulda to Soverato Marina | 1,330.46 mi (2,141.16 km) |
| Sigulda to Sovicille | 1,127.29 mi (1,814.19 km) |
