| Napa to Senftenberg | 5,694.52 mi (9,164.44 km) |
| Napa to Siegburg | 5,563.23 mi (8,953.15 km) |
| Napa to Siegen | 5,580.37 mi (8,980.73 km) |
| Napa to Sigmaringen | 5,767.36 mi (9,281.67 km) |
| Napa to Simbach am Inn | 5,857.50 mi (9,426.73 km) |
| Napa to Simmerath | 5,549.70 mi (8,931.38 km) |
| Napa to Sindelfingen | 5,726.69 mi (9,216.21 km) |
| Napa to Sinsheim | 5,693.66 mi (9,163.06 km) |
| Napa to Sinzheim | 5,701.21 mi (9,175.21 km) |
| Napa to Sinzig | 5,578.48 mi (8,977.69 km) |
| Napa to Soest | 5,545.00 mi (8,923.82 km) |
| Napa to Solingen | 5,540.08 mi (8,915.90 km) |
| Napa to Soltau | 5,510.52 mi (8,868.32 km) |
| Napa to Sommerda | 5,644.52 mi (9,083.98 km) |
| Napa to Sondershausen | 5,626.71 mi (9,055.32 km) |
