| Duchcov to Ukiah (California) | 5,709.78 mi (9,189.00 km) |
| Duchcov to Union (Missouri) | 4,786.14 mi (7,702.54 km) |
| Duchcov to Union City (California) | 5,776.97 mi (9,297.14 km) |
| Duchcov to Union City (Georgia) | 4,797.87 mi (7,721.42 km) |
| Duchcov to Union City (New Jersey) | 4,038.48 mi (6,499.31 km) |
| Duchcov to Union City (Tennessee) | 4,820.66 mi (7,758.10 km) |
| Duchcov to Union Hill-Novelty Hill (Washington) | 5,155.99 mi (8,297.77 km) |
| Duchcov to Union Park (Florida) | 4,924.28 mi (7,924.86 km) |
| Duchcov to Uniondale (New York) | 4,023.72 mi (6,475.55 km) |
| Duchcov to Universal City (Texas) | 5,526.69 mi (8,894.35 km) |
| Duchcov to University (Florida) | 4,997.94 mi (8,043.41 km) |
| Duchcov to University City (Missouri) | 4,750.87 mi (7,645.79 km) |
| Duchcov to University Heights (Ohio) | 4,289.27 mi (6,902.92 km) |
| Duchcov to University of California-Santa Barbara (California) | 5,918.57 mi (9,525.02 km) |
| Duchcov to University Park (Texas) | 5,291.04 mi (8,515.11 km) |
