| Duffel to Ukiah (California) | 5,448.29 mi (8,768.18 km) |
| Duffel to Union (Missouri) | 4,429.74 mi (7,128.98 km) |
| Duffel to Union City (California) | 5,507.13 mi (8,862.87 km) |
| Duffel to Union City (Georgia) | 4,419.16 mi (7,111.95 km) |
| Duffel to Union City (New Jersey) | 3,658.02 mi (5,887.02 km) |
| Duffel to Union City (Tennessee) | 4,455.66 mi (7,170.70 km) |
| Duffel to Union Hill-Novelty Hill (Washington) | 4,913.61 mi (7,907.68 km) |
| Duffel to Union Park (Florida) | 4,533.06 mi (7,295.25 km) |
| Duffel to Uniondale (New York) | 3,642.54 mi (5,862.09 km) |
| Duffel to Universal City (Texas) | 5,166.53 mi (8,314.72 km) |
| Duffel to University (Florida) | 4,607.57 mi (7,415.17 km) |
| Duffel to University City (Missouri) | 4,393.66 mi (7,070.91 km) |
| Duffel to University Heights (Ohio) | 3,922.37 mi (6,312.44 km) |
| Duffel to University of California-Santa Barbara (California) | 5,632.87 mi (9,065.22 km) |
| Duffel to University Park (Texas) | 4,934.37 mi (7,941.10 km) |
