| Knightdale to Senftenberg | 4,433.88 mi (7,135.64 km) |
| Knightdale to Siegburg | 4,183.66 mi (6,732.95 km) |
| Knightdale to Siegen | 4,214.41 mi (6,782.43 km) |
| Knightdale to Sigmaringen | 4,340.26 mi (6,984.97 km) |
| Knightdale to Simbach am Inn | 4,493.01 mi (7,230.81 km) |
| Knightdale to Simmerath | 4,151.92 mi (6,681.87 km) |
| Knightdale to Sindelfingen | 4,313.62 mi (6,942.10 km) |
| Knightdale to Sinsheim | 4,293.73 mi (6,910.08 km) |
| Knightdale to Sinzheim | 4,277.38 mi (6,883.78 km) |
| Knightdale to Sinzig | 4,192.17 mi (6,746.64 km) |
| Knightdale to Soest | 4,200.26 mi (6,759.66 km) |
| Knightdale to Solingen | 4,169.47 mi (6,710.11 km) |
| Knightdale to Soltau | 4,231.02 mi (6,809.17 km) |
| Knightdale to Sommerda | 4,330.73 mi (6,969.64 km) |
| Knightdale to Sondershausen | 4,315.10 mi (6,944.48 km) |
