| Castro Daire to Solofra | 1,187.07 mi (1,910.40 km) |
| Castro Daire to Somma Lombardo | 897.31 mi (1,444.08 km) |
| Castro Daire to Somma Vesuviana | 1,165.31 mi (1,875.38 km) |
| Castro Daire to Sommacampagna | 993.84 mi (1,599.43 km) |
| Castro Daire to Sona | 993.51 mi (1,598.90 km) |
| Castro Daire to Sondrio | 960.56 mi (1,545.88 km) |
| Castro Daire to Sora | 1,116.96 mi (1,797.57 km) |
| Castro Daire to Sorbolo | 967.48 mi (1,557.01 km) |
| Castro Daire to Soresina | 945.04 mi (1,520.89 km) |
| Castro Daire to Sorisole | 942.84 mi (1,517.35 km) |
| Castro Daire to Sorrento | 1,164.34 mi (1,873.82 km) |
| Castro Daire to Sorso | 861.66 mi (1,386.71 km) |
| Castro Daire to Sortino | 1,255.46 mi (2,020.46 km) |
| Castro Daire to Soverato Marina | 1,304.49 mi (2,099.38 km) |
| Castro Daire to Sovicille | 994.13 mi (1,599.90 km) |
