| Duffel to Somersworth (New Hampshire) | 3,424.83 mi (5,511.73 km) |
| Duffel to Somerton (Arizona) | 5,577.92 mi (8,976.79 km) |
| Duffel to Somerville (Massachusetts) | 3,469.68 mi (5,583.91 km) |
| Duffel to Somerville (New Jersey) | 3,690.02 mi (5,938.52 km) |
| Duffel to Sonoma (California) | 5,478.66 mi (8,817.06 km) |
| Duffel to Soquel (California) | 5,541.08 mi (8,917.50 km) |
| Duffel to South Bend (Indiana) | 4,094.95 mi (6,590.19 km) |
| Duffel to South Bradenton (Florida) | 4,644.91 mi (7,475.26 km) |
| Duffel to South Burlington (Vermont) | 3,467.47 mi (5,580.35 km) |
| Duffel to South Charleston (West Virginia) | 4,075.95 mi (6,559.61 km) |
| Duffel to South Daytona (Florida) | 4,493.43 mi (7,231.47 km) |
| Duffel to South El Monte (California) | 5,599.56 mi (9,011.62 km) |
| Duffel to South Elgin (Illinois) | 4,156.53 mi (6,689.30 km) |
| Duffel to South Euclid (Ohio) | 3,920.63 mi (6,309.64 km) |
| Duffel to South Farmingdale (New York) | 3,636.58 mi (5,852.50 km) |
