| Duluth to Ukiah (California) | 1,644.57 mi (2,646.67 km) |
| Duluth to Union (Missouri) | 578.87 mi (931.60 km) |
| Duluth to Union City (California) | 1,643.10 mi (2,644.32 km) |
| Duluth to Union City (Georgia) | 993.52 mi (1,598.91 km) |
| Duluth to Union City (New Jersey) | 991.16 mi (1,595.11 km) |
| Duluth to Union City (Tennessee) | 732.51 mi (1,178.85 km) |
| Duluth to Union Hill-Novelty Hill (Washington) | 1,395.09 mi (2,245.18 km) |
| Duluth to Union Park (Florida) | 1,389.18 mi (2,235.67 km) |
| Duluth to Uniondale (New York) | 1,012.62 mi (1,629.65 km) |
| Duluth to Universal City (Texas) | 1,235.31 mi (1,988.03 km) |
| Duluth to University (Florida) | 1,394.81 mi (2,244.73 km) |
| Duluth to University City (Missouri) | 567.76 mi (913.72 km) |
| Duluth to University Heights (Ohio) | 639.15 mi (1,028.61 km) |
| Duluth to University of California-Santa Barbara (California) | 1,673.32 mi (2,692.95 km) |
| Duluth to University Park (Texas) | 992.85 mi (1,597.84 km) |
