| Santiago do Cacem to Solofra | 1,267.94 mi (2,040.55 km) |
| Santiago do Cacem to Somma Lombardo | 1,037.17 mi (1,669.17 km) |
| Santiago do Cacem to Somma Vesuviana | 1,246.42 mi (2,005.92 km) |
| Santiago do Cacem to Sommacampagna | 1,126.04 mi (1,812.19 km) |
| Santiago do Cacem to Sona | 1,126.07 mi (1,812.24 km) |
| Santiago do Cacem to Sondrio | 1,102.26 mi (1,773.91 km) |
| Santiago do Cacem to Sora | 1,207.14 mi (1,942.70 km) |
| Santiago do Cacem to Sorbolo | 1,094.85 mi (1,762.00 km) |
| Santiago do Cacem to Soresina | 1,078.15 mi (1,735.12 km) |
| Santiago do Cacem to Sorisole | 1,080.90 mi (1,739.55 km) |
| Santiago do Cacem to Sorrento | 1,242.75 mi (2,000.02 km) |
| Santiago do Cacem to Sorso | 940.50 mi (1,513.59 km) |
| Santiago do Cacem to Sortino | 1,297.16 mi (2,087.57 km) |
| Santiago do Cacem to Soverato Marina | 1,364.63 mi (2,196.15 km) |
| Santiago do Cacem to Sovicille | 1,103.23 mi (1,775.48 km) |
