| Rio Maior to Senftenberg | 1,385.50 mi (2,229.75 km) |
| Rio Maior to Siegburg | 1,112.48 mi (1,790.37 km) |
| Rio Maior to Siegen | 1,143.76 mi (1,840.71 km) |
| Rio Maior to Sigmaringen | 1,085.44 mi (1,746.85 km) |
| Rio Maior to Simbach am Inn | 1,250.20 mi (2,011.99 km) |
| Rio Maior to Simmerath | 1,073.19 mi (1,727.13 km) |
| Rio Maior to Sindelfingen | 1,097.36 mi (1,766.03 km) |
| Rio Maior to Sinsheim | 1,111.46 mi (1,788.73 km) |
| Rio Maior to Sinzheim | 1,066.20 mi (1,715.88 km) |
| Rio Maior to Sinzig | 1,103.02 mi (1,775.14 km) |
| Rio Maior to Soest | 1,176.47 mi (1,893.34 km) |
| Rio Maior to Solingen | 1,124.59 mi (1,809.85 km) |
| Rio Maior to Soltau | 1,294.65 mi (2,083.54 km) |
| Rio Maior to Sommerda | 1,265.14 mi (2,036.04 km) |
| Rio Maior to Sondershausen | 1,263.75 mi (2,033.82 km) |
