| Watertown Town to Sangeorgiu de Mures | 4,417.99 mi (7,110.06 km) |
| Watertown Town to Sangeorz-Bai | 4,393.76 mi (7,071.08 km) |
| Watertown Town to Sannicolau Mare | 4,284.63 mi (6,895.45 km) |
| Watertown Town to Santana | 4,309.16 mi (6,934.92 km) |
| Watertown Town to Satu Mare | 4,308.48 mi (6,933.84 km) |
| Watertown Town to Scobinti | 4,479.09 mi (7,208.40 km) |
| Watertown Town to Scornicesti | 4,500.68 mi (7,243.14 km) |
| Watertown Town to Sebes | 4,406.23 mi (7,091.15 km) |
| Watertown Town to Seini | 4,325.36 mi (6,960.99 km) |
| Watertown Town to Sfantu-Gheorghe | 4,496.94 mi (7,237.13 km) |
| Watertown Town to Sibiu | 4,435.78 mi (7,138.71 km) |
| Watertown Town to Sighetu Marmatiei | 4,341.69 mi (6,987.27 km) |
| Watertown Town to Sighisoara | 4,443.89 mi (7,151.76 km) |
| Watertown Town to Simeria | 4,388.43 mi (7,062.49 km) |
| Watertown Town to Sinaia | 4,508.62 mi (7,255.92 km) |
