| Duffel to Glen Carbon (Illinois) | 4,375.93 mi (7,042.38 km) |
| Duffel to Glen Cove (New York) | 3,637.19 mi (5,853.49 km) |
| Duffel to Glen Ellyn (Illinois) | 4,153.13 mi (6,683.82 km) |
| Duffel to Glen Rock (New Jersey) | 3,653.30 mi (5,879.41 km) |
| Duffel to Glendale (Arizona) | 5,441.56 mi (8,757.34 km) |
| Duffel to Glendale (California) | 5,597.89 mi (9,008.94 km) |
| Duffel to Glendale (Wisconsin) | 4,088.26 mi (6,579.41 km) |
| Duffel to Glendale Heights (Illinois) | 4,151.19 mi (6,680.69 km) |
| Duffel to Glendora (California) | 5,587.79 mi (8,992.68 km) |
| Duffel to Glenmont (Maryland) | 3,855.66 mi (6,205.09 km) |
| Duffel to Glenn Dale (Maryland) | 3,849.82 mi (6,195.69 km) |
| Duffel to Glenn Heights (Texas) | 4,952.44 mi (7,970.19 km) |
| Duffel to Glenpool (Oklahoma) | 4,743.34 mi (7,633.67 km) |
| Duffel to Glens Falls (New York) | 3,532.64 mi (5,685.24 km) |
| Duffel to Glenvar Heights (Florida) | 4,638.56 mi (7,465.04 km) |
