| Silver Spring to Sangeorgiu de Mures | 4,800.90 mi (7,726.30 km) |
| Silver Spring to Sangeorz-Bai | 4,776.16 mi (7,686.48 km) |
| Silver Spring to Sannicolau Mare | 4,668.51 mi (7,513.24 km) |
| Silver Spring to Santana | 4,692.79 mi (7,552.31 km) |
| Silver Spring to Satu Mare | 4,691.13 mi (7,549.64 km) |
| Silver Spring to Scobinti | 4,860.77 mi (7,822.65 km) |
| Silver Spring to Scornicesti | 4,884.41 mi (7,860.70 km) |
| Silver Spring to Sebes | 4,789.63 mi (7,708.16 km) |
| Silver Spring to Seini | 4,707.92 mi (7,576.66 km) |
| Silver Spring to Sfantu-Gheorghe | 4,879.87 mi (7,853.40 km) |
| Silver Spring to Sibiu | 4,819.13 mi (7,755.64 km) |
| Silver Spring to Sighetu Marmatiei | 4,723.97 mi (7,602.49 km) |
| Silver Spring to Sighisoara | 4,826.90 mi (7,768.14 km) |
| Silver Spring to Simeria | 4,771.98 mi (7,679.76 km) |
| Silver Spring to Sinaia | 4,891.84 mi (7,872.66 km) |
