| Duluth to University Place (Washington) | 1,424.16 mi (2,291.96 km) |
| Duluth to Upland (California) | 1,590.47 mi (2,559.62 km) |
| Duluth to Upper Arlington (Ohio) | 650.83 mi (1,047.41 km) |
| Duluth to Upper Grand Lagoon (Florida) | 1,197.44 mi (1,927.09 km) |
| Duluth to Upper Montclair (New Jersey) | 980.92 mi (1,578.63 km) |
| Duluth to Urbana (Illinois) | 501.00 mi (806.27 km) |
| Duluth to Urbana (Maryland) | 904.81 mi (1,456.15 km) |
| Duluth to Urbana (Ohio) | 623.11 mi (1,002.80 km) |
| Duluth to Urbandale (Iowa) | 364.08 mi (585.93 km) |
| Duluth to Utica (New York) | 863.44 mi (1,389.58 km) |
| Duluth to Uvalde (Texas) | 1,281.08 mi (2,061.70 km) |
| Duluth to Vacaville (California) | 1,613.48 mi (2,596.65 km) |
| Duluth to Vadnais Heights (Minnesota) | 126.97 mi (204.34 km) |
| Duluth to Vail (Arizona) | 1,414.43 mi (2,276.31 km) |
| Duluth to Valdosta (Georgia) | 1,197.41 mi (1,927.04 km) |
