| Rocky River to Senftenberg | 4,278.25 mi (6,885.17 km) |
| Rocky River to Siegburg | 4,048.93 mi (6,516.12 km) |
| Rocky River to Siegen | 4,077.24 mi (6,561.68 km) |
| Rocky River to Sigmaringen | 4,220.77 mi (6,792.68 km) |
| Rocky River to Simbach am Inn | 4,362.37 mi (7,020.55 km) |
| Rocky River to Simmerath | 4,020.73 mi (6,470.74 km) |
| Rocky River to Sindelfingen | 4,190.11 mi (6,743.33 km) |
| Rocky River to Sinsheim | 4,166.59 mi (6,705.47 km) |
| Rocky River to Sinzheim | 4,155.58 mi (6,687.76 km) |
| Rocky River to Sinzig | 4,059.25 mi (6,532.74 km) |
| Rocky River to Soest | 4,057.77 mi (6,530.35 km) |
| Rocky River to Solingen | 4,032.26 mi (6,489.29 km) |
| Rocky River to Soltau | 4,074.40 mi (6,557.12 km) |
| Rocky River to Sommerda | 4,184.43 mi (6,734.19 km) |
| Rocky River to Sondershausen | 4,167.90 mi (6,707.59 km) |
