| Westlake to Senftenberg | 4,281.92 mi (6,891.08 km) |
| Westlake to Siegburg | 4,052.70 mi (6,522.19 km) |
| Westlake to Siegen | 4,081.00 mi (6,567.74 km) |
| Westlake to Sigmaringen | 4,224.60 mi (6,798.84 km) |
| Westlake to Simbach am Inn | 4,366.15 mi (7,026.64 km) |
| Westlake to Simmerath | 4,024.52 mi (6,476.84 km) |
| Westlake to Sindelfingen | 4,193.93 mi (6,749.47 km) |
| Westlake to Sinsheim | 4,170.39 mi (6,711.59 km) |
| Westlake to Sinzheim | 4,159.41 mi (6,693.92 km) |
| Westlake to Sinzig | 4,063.03 mi (6,538.82 km) |
| Westlake to Soest | 4,061.51 mi (6,536.36 km) |
| Westlake to Solingen | 4,036.02 mi (6,495.35 km) |
| Westlake to Soltau | 4,078.07 mi (6,563.02 km) |
| Westlake to Sommerda | 4,188.15 mi (6,740.17 km) |
| Westlake to Sondershausen | 4,171.62 mi (6,713.57 km) |
