| Tonawanda to Senftenberg | 4,095.28 mi (6,590.72 km) |
| Tonawanda to Siegburg | 3,864.51 mi (6,219.33 km) |
| Tonawanda to Siegen | 3,892.96 mi (6,265.12 km) |
| Tonawanda to Sigmaringen | 4,035.75 mi (6,494.91 km) |
| Tonawanda to Simbach am Inn | 4,177.85 mi (6,723.60 km) |
| Tonawanda to Simmerath | 3,836.13 mi (6,173.65 km) |
| Tonawanda to Sindelfingen | 4,005.23 mi (6,445.79 km) |
| Tonawanda to Sinsheim | 3,981.85 mi (6,408.17 km) |
| Tonawanda to Sinzheim | 3,970.63 mi (6,390.11 km) |
| Tonawanda to Sinzig | 3,874.75 mi (6,235.80 km) |
| Tonawanda to Soest | 3,873.79 mi (6,234.26 km) |
| Tonawanda to Solingen | 3,847.97 mi (6,192.70 km) |
| Tonawanda to Soltau | 3,891.41 mi (6,262.63 km) |
| Tonawanda to Sommerda | 4,000.74 mi (6,438.58 km) |
| Tonawanda to Sondershausen | 3,984.27 mi (6,412.07 km) |
