| Duffel to Santa Rosa (California) | 5,476.23 mi (8,813.14 km) |
| Duffel to Santaquin (Utah) | 5,067.56 mi (8,155.44 km) |
| Duffel to Santee (California) | 5,636.05 mi (9,070.35 km) |
| Duffel to Sapulpa (Oklahoma) | 4,743.74 mi (7,634.32 km) |
| Duffel to Saraland (Alabama) | 4,699.08 mi (7,562.43 km) |
| Duffel to Sarasota (Florida) | 4,649.49 mi (7,482.63 km) |
| Duffel to Sarasota Springs (Florida) | 4,648.15 mi (7,480.47 km) |
| Duffel to Saratoga (California) | 5,527.22 mi (8,895.21 km) |
| Duffel to Saratoga Springs (New York) | 3,548.22 mi (5,710.31 km) |
| Duffel to Saratoga Springs (Utah) | 5,050.40 mi (8,127.83 km) |
| Duffel to Sartell (Minnesota) | 4,193.46 mi (6,748.72 km) |
| Duffel to Satellite Beach (Florida) | 4,526.01 mi (7,283.91 km) |
| Duffel to Sauk Rapids (Minnesota) | 4,192.17 mi (6,746.64 km) |
| Duffel to Sault Ste. Marie (Michigan) | 3,804.22 mi (6,122.30 km) |
| Duffel to Savage (Minnesota) | 4,205.67 mi (6,768.37 km) |
