| Washougal to Senftenberg | 5,242.94 mi (8,437.70 km) |
| Washougal to Siegburg | 5,128.41 mi (8,253.38 km) |
| Washougal to Siegen | 5,143.46 mi (8,277.60 km) |
| Washougal to Sigmaringen | 5,334.79 mi (8,585.52 km) |
| Washougal to Simbach am Inn | 5,415.16 mi (8,714.86 km) |
| Washougal to Simmerath | 5,117.54 mi (8,235.89 km) |
| Washougal to Sindelfingen | 5,293.04 mi (8,518.32 km) |
| Washougal to Sinsheim | 5,258.92 mi (8,463.42 km) |
| Washougal to Sinzheim | 5,269.50 mi (8,480.44 km) |
| Washougal to Sinzig | 5,144.24 mi (8,278.85 km) |
| Washougal to Soest | 5,106.11 mi (8,217.49 km) |
| Washougal to Solingen | 5,104.57 mi (8,215.02 km) |
| Washougal to Soltau | 5,064.43 mi (8,150.41 km) |
| Washougal to Sommerda | 5,199.96 mi (8,368.53 km) |
| Washougal to Sondershausen | 5,182.22 mi (8,339.98 km) |
