| Cities | Distance |
|---|---|
| Duffel to Sestao | 642.93 mi (1,034.69 km) |
| Duffel to Sevilla | 1,087.54 mi (1,750.22 km) |
| Duffel to Sevilla La Nueva | 848.29 mi (1,365.19 km) |
| Duffel to Silla | 845.23 mi (1,360.27 km) |
| Duffel to Silleda | 833.96 mi (1,342.12 km) |
| Duffel to Sitges | 693.80 mi (1,116.56 km) |
| Duffel to Socuellamos | 888.97 mi (1,430.66 km) |
| Duffel to Soller | 787.93 mi (1,268.05 km) |
| Duffel to Solsona | 644.93 mi (1,037.91 km) |
| Duffel to Son Servera | 795.09 mi (1,279.58 km) |
| Duffel to Sonseca | 886.96 mi (1,427.42 km) |
| Duffel to Sopelana | 638.05 mi (1,026.85 km) |
| Duffel to Soria | 724.78 mi (1,166.43 km) |
| Duffel to Suances | 663.84 mi (1,068.34 km) |
| Duffel to Sueca | 854.55 mi (1,375.27 km) |