| North Tonawanda to Senftenberg | 4,093.07 mi (6,587.16 km) |
| North Tonawanda to Siegburg | 3,862.37 mi (6,215.89 km) |
| North Tonawanda to Siegen | 3,890.81 mi (6,261.66 km) |
| North Tonawanda to Sigmaringen | 4,033.66 mi (6,491.55 km) |
| North Tonawanda to Simbach am Inn | 4,175.72 mi (6,720.17 km) |
| North Tonawanda to Simmerath | 3,834.00 mi (6,170.23 km) |
| North Tonawanda to Sindelfingen | 4,003.13 mi (6,442.41 km) |
| North Tonawanda to Sinsheim | 3,979.74 mi (6,404.77 km) |
| North Tonawanda to Sinzheim | 3,968.53 mi (6,386.73 km) |
| North Tonawanda to Sinzig | 3,872.62 mi (6,232.37 km) |
| North Tonawanda to Soest | 3,871.62 mi (6,230.78 km) |
| North Tonawanda to Solingen | 3,845.82 mi (6,189.25 km) |
| North Tonawanda to Soltau | 3,889.20 mi (6,259.07 km) |
| North Tonawanda to Sommerda | 3,998.56 mi (6,435.07 km) |
| North Tonawanda to Sondershausen | 3,982.09 mi (6,408.55 km) |
