| Cities | Distance |
|---|---|
| Portici to Senftenberg | 739.25 mi (1,189.71 km) |
| Portici to Siegburg | 769.71 mi (1,238.72 km) |
| Portici to Siegen | 758.33 mi (1,220.42 km) |
| Portici to Sigmaringen | 561.81 mi (904.15 km) |
| Portici to Simbach am Inn | 518.63 mi (834.66 km) |
| Portici to Simmerath | 778.15 mi (1,252.31 km) |
| Portici to Sindelfingen | 604.63 mi (973.06 km) |
| Portici to Sinsheim | 640.12 mi (1,030.17 km) |
| Portici to Sinzheim | 626.23 mi (1,007.82 km) |
| Portici to Sinzig | 753.26 mi (1,212.26 km) |
| Portici to Soest | 799.69 mi (1,286.97 km) |
| Portici to Solingen | 794.35 mi (1,278.38 km) |
| Portici to Soltau | 866.50 mi (1,394.50 km) |
| Portici to Sommerda | 730.94 mi (1,176.34 km) |
| Portici to Sondershausen | 747.28 mi (1,202.62 km) |