| Williamstown to Sangeorgiu de Mures | 4,689.16 mi (7,546.47 km) |
| Williamstown to Sangeorz-Bai | 4,665.00 mi (7,507.60 km) |
| Williamstown to Sannicolau Mare | 4,555.38 mi (7,331.17 km) |
| Williamstown to Santana | 4,580.07 mi (7,370.91 km) |
| Williamstown to Satu Mare | 4,579.70 mi (7,370.32 km) |
| Williamstown to Scobinti | 4,750.34 mi (7,644.94 km) |
| Williamstown to Scornicesti | 4,771.52 mi (7,679.02 km) |
| Williamstown to Sebes | 4,677.26 mi (7,527.32 km) |
| Williamstown to Seini | 4,596.58 mi (7,397.49 km) |
| Williamstown to Sfantu-Gheorghe | 4,768.11 mi (7,673.54 km) |
| Williamstown to Sibiu | 4,706.83 mi (7,574.91 km) |
| Williamstown to Sighetu Marmatiei | 4,612.94 mi (7,423.80 km) |
| Williamstown to Sighisoara | 4,715.05 mi (7,588.13 km) |
| Williamstown to Simeria | 4,659.38 mi (7,498.55 km) |
| Williamstown to Sinaia | 4,779.70 mi (7,692.19 km) |
