| Watertown Town to Santa Ursula | 3,168.81 mi (5,099.70 km) |
| Watertown Town to Santander | 3,312.43 mi (5,330.85 km) |
| Watertown Town to Santany | 3,759.90 mi (6,050.97 km) |
| Watertown Town to Santiago de Compostela | 3,107.37 mi (5,000.82 km) |
| Watertown Town to Santiago del Teide | 3,157.20 mi (5,081.01 km) |
| Watertown Town to Santiponce | 3,384.14 mi (5,446.25 km) |
| Watertown Town to Santomera | 3,605.18 mi (5,801.98 km) |
| Watertown Town to Santona | 3,329.02 mi (5,357.54 km) |
| Watertown Town to Santurce-Antiguo | 3,351.70 mi (5,394.04 km) |
| Watertown Town to Sarria | 3,162.77 mi (5,089.98 km) |
| Watertown Town to Sauzal | 3,169.62 mi (5,101.01 km) |
| Watertown Town to Sedavi | 3,592.41 mi (5,781.43 km) |
| Watertown Town to Segorbe | 3,573.91 mi (5,751.65 km) |
| Watertown Town to Segovia | 3,369.20 mi (5,422.20 km) |
| Watertown Town to Senmanat | 3,640.54 mi (5,858.89 km) |
