| Duffel to Shoreview (Minnesota) | 4,181.77 mi (6,729.91 km) |
| Duffel to Shorewood (Illinois) | 4,175.49 mi (6,719.81 km) |
| Duffel to Shorewood (Wisconsin) | 4,088.50 mi (6,579.80 km) |
| Duffel to Short Hills (New Jersey) | 3,671.20 mi (5,908.23 km) |
| Duffel to Short Pump (Virginia) | 3,943.94 mi (6,347.16 km) |
| Duffel to Show Low (Arizona) | 5,330.03 mi (8,577.86 km) |
| Duffel to Shreveport (Louisiana) | 4,840.17 mi (7,789.49 km) |
| Duffel to Sicklerville (New Jersey) | 3,742.23 mi (6,022.54 km) |
| Duffel to Sidney (Ohio) | 4,080.13 mi (6,566.34 km) |
| Duffel to Sierra Madre (California) | 5,592.65 mi (9,000.50 km) |
| Duffel to Sierra Vista (Arizona) | 5,491.23 mi (8,837.28 km) |
| Duffel to Sierra Vista Southeast (Arizona) | 5,494.06 mi (8,841.83 km) |
| Duffel to Signal Hill (California) | 5,617.60 mi (9,040.66 km) |
| Duffel to Sikeston (Missouri) | 4,453.65 mi (7,167.46 km) |
| Duffel to Siloam Springs (Arkansas) | 4,676.34 mi (7,525.84 km) |
