| Idaho Falls to Senftenberg | 5,123.78 mi (8,245.93 km) |
| Idaho Falls to Siegburg | 4,973.40 mi (8,003.92 km) |
| Idaho Falls to Siegen | 4,992.65 mi (8,034.89 km) |
| Idaho Falls to Sigmaringen | 5,174.39 mi (8,327.37 km) |
| Idaho Falls to Simbach am Inn | 5,274.48 mi (8,488.46 km) |
| Idaho Falls to Simmerath | 4,957.25 mi (7,977.93 km) |
| Idaho Falls to Sindelfingen | 5,134.96 mi (8,263.91 km) |
| Idaho Falls to Sinsheim | 5,103.17 mi (8,212.76 km) |
| Idaho Falls to Sinzheim | 5,107.68 mi (8,220.01 km) |
| Idaho Falls to Sinzig | 4,988.00 mi (8,027.41 km) |
| Idaho Falls to Soest | 4,959.58 mi (7,981.67 km) |
| Idaho Falls to Solingen | 4,951.08 mi (7,967.99 km) |
| Idaho Falls to Soltau | 4,933.65 mi (7,939.94 km) |
| Idaho Falls to Sommerda | 5,065.13 mi (8,151.54 km) |
| Idaho Falls to Sondershausen | 5,047.32 mi (8,122.88 km) |
