| Williamstown to Santa Ursula | 3,376.85 mi (5,434.51 km) |
| Williamstown to Santander | 3,573.40 mi (5,750.83 km) |
| Williamstown to Santany | 4,018.35 mi (6,466.92 km) |
| Williamstown to Santiago de Compostela | 3,364.94 mi (5,415.34 km) |
| Williamstown to Santiago del Teide | 3,364.16 mi (5,414.10 km) |
| Williamstown to Santiponce | 3,632.17 mi (5,845.41 km) |
| Williamstown to Santomera | 3,858.55 mi (6,209.73 km) |
| Williamstown to Santona | 3,590.12 mi (5,777.73 km) |
| Williamstown to Santurce-Antiguo | 3,612.83 mi (5,814.28 km) |
| Williamstown to Sarria | 3,420.76 mi (5,505.18 km) |
| Williamstown to Sauzal | 3,377.96 mi (5,436.30 km) |
| Williamstown to Sedavi | 3,848.69 mi (6,193.87 km) |
| Williamstown to Segorbe | 3,830.84 mi (6,165.14 km) |
| Williamstown to Segovia | 3,625.74 mi (5,835.07 km) |
| Williamstown to Senmanat | 3,901.73 mi (6,279.22 km) |
