| Quarteira to Solofra | 1,256.59 mi (2,022.28 km) |
| Quarteira to Somma Lombardo | 1,051.69 mi (1,692.53 km) |
| Quarteira to Somma Vesuviana | 1,235.29 mi (1,988.01 km) |
| Quarteira to Sommacampagna | 1,136.50 mi (1,829.02 km) |
| Quarteira to Sona | 1,136.69 mi (1,829.32 km) |
| Quarteira to Sondrio | 1,117.13 mi (1,797.84 km) |
| Quarteira to Sora | 1,199.74 mi (1,930.80 km) |
| Quarteira to Sorbolo | 1,103.43 mi (1,775.80 km) |
| Quarteira to Soresina | 1,089.35 mi (1,753.14 km) |
| Quarteira to Sorisole | 1,094.28 mi (1,761.08 km) |
| Quarteira to Sorrento | 1,230.64 mi (1,980.52 km) |
| Quarteira to Sorso | 931.13 mi (1,498.51 km) |
| Quarteira to Sortino | 1,271.52 mi (2,046.32 km) |
| Quarteira to Soverato Marina | 1,345.08 mi (2,164.70 km) |
| Quarteira to Sovicille | 1,104.10 mi (1,776.88 km) |
