| Keystone to Senftenberg | 4,987.91 mi (8,027.26 km) |
| Keystone to Siegburg | 4,729.53 mi (7,611.44 km) |
| Keystone to Siegen | 4,761.25 mi (7,662.50 km) |
| Keystone to Sigmaringen | 4,877.86 mi (7,850.15 km) |
| Keystone to Simbach am Inn | 5,035.42 mi (8,103.72 km) |
| Keystone to Simmerath | 4,696.29 mi (7,557.95 km) |
| Keystone to Sindelfingen | 4,853.40 mi (7,810.79 km) |
| Keystone to Sinsheim | 4,835.41 mi (7,781.84 km) |
| Keystone to Sinzheim | 4,816.50 mi (7,751.40 km) |
| Keystone to Sinzig | 4,737.14 mi (7,623.70 km) |
| Keystone to Soest | 4,749.59 mi (7,643.72 km) |
| Keystone to Solingen | 4,716.56 mi (7,590.56 km) |
| Keystone to Soltau | 4,786.25 mi (7,702.73 km) |
| Keystone to Sommerda | 4,881.17 mi (7,855.48 km) |
| Keystone to Sondershausen | 4,865.99 mi (7,831.06 km) |
