| Duffel to Jacksonville (Texas) | 4,922.59 mi (7,922.15 km) |
| Duffel to Jacksonville Beach (Florida) | 4,454.54 mi (7,168.89 km) |
| Duffel to James Island (South Carolina) | 4,273.01 mi (6,876.74 km) |
| Duffel to Jamestown (New York) | 3,805.67 mi (6,124.63 km) |
| Duffel to Jamestown (North Dakota) | 4,280.25 mi (6,888.40 km) |
| Duffel to Janesville (Wisconsin) | 4,149.24 mi (6,677.55 km) |
| Duffel to Jasmine Estates (Florida) | 4,607.37 mi (7,414.85 km) |
| Duffel to Jasper (Alabama) | 4,514.54 mi (7,265.45 km) |
| Duffel to Jasper (Indiana) | 4,277.74 mi (6,884.36 km) |
| Duffel to Jefferson (Georgia) | 4,353.75 mi (7,006.68 km) |
| Duffel to Jefferson (Louisiana) | 4,826.72 mi (7,767.86 km) |
| Duffel to Jefferson City (Missouri) | 4,467.68 mi (7,190.03 km) |
| Duffel to Jefferson Hills (Pennsylvania) | 3,914.81 mi (6,300.27 km) |
| Duffel to Jefferson Valley-Yorktown (New York) | 3,624.58 mi (5,833.20 km) |
| Duffel to Jeffersontown (Kentucky) | 4,233.82 mi (6,813.68 km) |
