| Foster City to Santa Ursula | 5,819.42 mi (9,365.45 km) |
| Foster City to Santander | 5,642.07 mi (9,080.04 km) |
| Foster City to Santany | 6,093.83 mi (9,807.07 km) |
| Foster City to Santiago de Compostela | 5,497.75 mi (8,847.77 km) |
| Foster City to Santiago del Teide | 5,810.09 mi (9,350.44 km) |
| Foster City to Santiponce | 5,852.23 mi (9,418.25 km) |
| Foster City to Santomera | 6,011.34 mi (9,674.31 km) |
| Foster City to Santona | 5,655.38 mi (9,101.45 km) |
| Foster City to Santurce-Antiguo | 5,675.84 mi (9,134.38 km) |
| Foster City to Sarria | 5,544.12 mi (8,922.40 km) |
| Foster City to Sauzal | 5,819.60 mi (9,365.75 km) |
| Foster City to Sedavi | 5,966.11 mi (9,601.52 km) |
| Foster City to Segorbe | 5,940.69 mi (9,560.62 km) |
| Foster City to Segovia | 5,754.17 mi (9,260.44 km) |
| Foster City to Senmanat | 5,941.65 mi (9,562.16 km) |
