| Dokkum to Ukiah (California) | 5,366.49 mi (8,636.53 km) |
| Dokkum to Union (Missouri) | 4,407.31 mi (7,092.88 km) |
| Dokkum to Union City (California) | 5,429.41 mi (8,737.79 km) |
| Dokkum to Union City (Georgia) | 4,419.59 mi (7,112.64 km) |
| Dokkum to Union City (New Jersey) | 3,660.80 mi (5,891.49 km) |
| Dokkum to Union City (Tennessee) | 4,441.23 mi (7,147.48 km) |
| Dokkum to Union Hill-Novelty Hill (Washington) | 4,822.66 mi (7,761.33 km) |
| Dokkum to Union Park (Florida) | 4,551.07 mi (7,324.24 km) |
| Dokkum to Uniondale (New York) | 3,646.24 mi (5,868.06 km) |
| Dokkum to Universal City (Texas) | 5,147.57 mi (8,284.22 km) |
| Dokkum to University (Florida) | 4,624.14 mi (7,441.84 km) |
| Dokkum to University City (Missouri) | 4,371.95 mi (7,035.97 km) |
| Dokkum to University Heights (Ohio) | 3,909.84 mi (6,292.27 km) |
| Dokkum to University of California-Santa Barbara (California) | 5,563.35 mi (8,953.35 km) |
| Dokkum to University Park (Texas) | 4,912.25 mi (7,905.50 km) |
