| Castro Valley to Sceaux | 5,558.67 mi (8,945.82 km) |
| Castro Valley to Schiltigheim | 5,726.53 mi (9,215.96 km) |
| Castro Valley to Scionzier | 5,830.59 mi (9,383.43 km) |
| Castro Valley to Seclin | 5,488.67 mi (8,833.16 km) |
| Castro Valley to Sedan | 5,588.10 mi (8,993.18 km) |
| Castro Valley to Selestat | 5,737.22 mi (9,233.16 km) |
| Castro Valley to Sene | 5,459.04 mi (8,785.48 km) |
| Castro Valley to Senlis | 5,545.34 mi (8,924.36 km) |
| Castro Valley to Sens | 5,618.94 mi (9,042.82 km) |
| Castro Valley to Septemes-les-Vallons | 5,937.57 mi (9,555.60 km) |
| Castro Valley to Serris | 5,569.52 mi (8,963.27 km) |
| Castro Valley to Sete | 5,883.84 mi (9,469.13 km) |
| Castro Valley to Sevran | 5,557.95 mi (8,944.66 km) |
| Castro Valley to Sevres | 5,553.95 mi (8,938.22 km) |
| Castro Valley to Seynod | 5,826.10 mi (9,376.21 km) |
