| Boone to Senftenberg | 4,534.20 mi (7,297.09 km) |
| Boone to Siegburg | 4,291.00 mi (6,905.70 km) |
| Boone to Siegen | 4,320.95 mi (6,953.90 km) |
| Boone to Sigmaringen | 4,453.01 mi (7,166.43 km) |
| Boone to Simbach am Inn | 4,602.24 mi (7,406.60 km) |
| Boone to Simmerath | 4,260.43 mi (6,856.49 km) |
| Boone to Sindelfingen | 4,424.99 mi (7,121.33 km) |
| Boone to Sinsheim | 4,403.84 mi (7,087.30 km) |
| Boone to Sinzheim | 4,389.26 mi (7,063.84 km) |
| Boone to Sinzig | 4,300.15 mi (6,920.42 km) |
| Boone to Soest | 4,304.92 mi (6,928.10 km) |
| Boone to Solingen | 4,275.93 mi (6,881.44 km) |
| Boone to Soltau | 4,330.67 mi (6,969.53 km) |
| Boone to Sommerda | 4,434.25 mi (7,136.24 km) |
| Boone to Sondershausen | 4,418.27 mi (7,110.53 km) |
