| Westlake to Sangeorgiu de Mures | 4,865.67 mi (7,830.54 km) |
| Westlake to Sangeorz-Bai | 4,836.78 mi (7,784.04 km) |
| Westlake to Sannicolau Mare | 4,744.46 mi (7,635.47 km) |
| Westlake to Santana | 4,765.40 mi (7,669.17 km) |
| Westlake to Satu Mare | 4,753.99 mi (7,650.81 km) |
| Westlake to Scobinti | 4,915.98 mi (7,911.50 km) |
| Westlake to Scornicesti | 4,957.66 mi (7,978.58 km) |
| Westlake to Sebes | 4,859.14 mi (7,820.04 km) |
| Westlake to Seini | 4,770.07 mi (7,676.69 km) |
| Westlake to Sfantu-Gheorghe | 4,944.47 mi (7,957.36 km) |
| Westlake to Sibiu | 4,888.00 mi (7,866.47 km) |
| Westlake to Sighetu Marmatiei | 4,783.91 mi (7,698.96 km) |
| Westlake to Sighisoara | 4,892.36 mi (7,873.49 km) |
| Westlake to Simeria | 4,843.31 mi (7,794.56 km) |
| Westlake to Sinaia | 4,959.25 mi (7,981.14 km) |
