| Duffel to Grand Prairie (Texas) | 4,951.53 mi (7,968.71 km) |
| Duffel to Grand Rapids (Michigan) | 4,011.72 mi (6,456.25 km) |
| Duffel to Grand Rapids (Minnesota) | 4,092.05 mi (6,585.51 km) |
| Duffel to Grand Terrace (California) | 5,577.96 mi (8,976.85 km) |
| Duffel to Grandview (Missouri) | 4,538.65 mi (7,304.25 km) |
| Duffel to Grandview (Washington) | 4,943.11 mi (7,955.17 km) |
| Duffel to Grandville (Michigan) | 4,018.33 mi (6,466.88 km) |
| Duffel to Granger (Indiana) | 4,087.01 mi (6,577.40 km) |
| Duffel to Granite Bay (California) | 5,414.93 mi (8,714.49 km) |
| Duffel to Granite City (Illinois) | 4,382.79 mi (7,053.41 km) |
| Duffel to Grants Pass (Oregon) | 5,255.96 mi (8,458.65 km) |
| Duffel to Grantsville (Utah) | 5,052.62 mi (8,131.41 km) |
| Duffel to Grapevine (Texas) | 4,940.53 mi (7,951.02 km) |
| Duffel to Grass Valley (California) | 5,384.26 mi (8,665.13 km) |
| Duffel to Grayslake (Illinois) | 4,129.49 mi (6,645.78 km) |
