| Duffel to Scottsboro (Alabama) | 4,426.65 mi (7,124.01 km) |
| Duffel to Scottsdale (Arizona) | 5,423.37 mi (8,728.08 km) |
| Duffel to Scranton (Pennsylvania) | 3,695.49 mi (5,947.32 km) |
| Duffel to Seabrook (Maryland) | 3,851.83 mi (6,198.92 km) |
| Duffel to Seabrook (Texas) | 5,038.75 mi (8,109.08 km) |
| Duffel to Seaford (New York) | 3,640.57 mi (5,858.94 km) |
| Duffel to Seagoville (Texas) | 4,935.38 mi (7,942.72 km) |
| Duffel to Seal Beach (California) | 5,617.48 mi (9,040.46 km) |
| Duffel to Searcy (Arkansas) | 4,618.55 mi (7,432.84 km) |
| Duffel to Seaside (California) | 5,559.70 mi (8,947.48 km) |
| Duffel to SeaTac (Washington) | 4,934.02 mi (7,940.54 km) |
| Duffel to Seattle (Washington) | 4,924.31 mi (7,924.91 km) |
| Duffel to Sebastian (Florida) | 4,540.87 mi (7,307.82 km) |
| Duffel to Sebring (Florida) | 4,596.93 mi (7,398.05 km) |
| Duffel to Secaucus (New Jersey) | 3,658.78 mi (5,888.24 km) |
