| Helena to Senftenberg | 4,940.75 mi (7,951.36 km) |
| Helena to Siegburg | 4,798.61 mi (7,722.61 km) |
| Helena to Siegen | 4,816.83 mi (7,751.95 km) |
| Helena to Sigmaringen | 5,001.30 mi (8,048.81 km) |
| Helena to Simbach am Inn | 5,096.65 mi (8,202.27 km) |
| Helena to Simmerath | 4,783.77 mi (7,698.74 km) |
| Helena to Sindelfingen | 4,961.21 mi (7,984.29 km) |
| Helena to Sinsheim | 4,928.78 mi (7,932.10 km) |
| Helena to Sinzheim | 4,934.84 mi (7,941.86 km) |
| Helena to Sinzig | 4,813.54 mi (7,746.64 km) |
| Helena to Soest | 4,782.66 mi (7,696.95 km) |
| Helena to Solingen | 4,775.87 mi (7,686.02 km) |
| Helena to Soltau | 4,752.94 mi (7,649.12 km) |
| Helena to Sommerda | 4,885.58 mi (7,862.58 km) |
| Helena to Sondershausen | 4,867.76 mi (7,833.90 km) |
