| Oostakker to Ukiah (California) | 5,427.84 mi (8,735.26 km) |
| Oostakker to Union (Missouri) | 4,401.48 mi (7,083.49 km) |
| Oostakker to Union City (California) | 5,485.96 mi (8,828.81 km) |
| Oostakker to Union City (Georgia) | 4,388.94 mi (7,063.32 km) |
| Oostakker to Union City (New Jersey) | 3,627.71 mi (5,838.23 km) |
| Oostakker to Union City (Tennessee) | 4,426.65 mi (7,124.00 km) |
| Oostakker to Union Hill-Novelty Hill (Washington) | 4,894.90 mi (7,877.58 km) |
| Oostakker to Union Park (Florida) | 4,501.72 mi (7,244.82 km) |
| Oostakker to Uniondale (New York) | 3,612.16 mi (5,813.20 km) |
| Oostakker to Universal City (Texas) | 5,137.85 mi (8,268.57 km) |
| Oostakker to University (Florida) | 4,576.31 mi (7,364.86 km) |
| Oostakker to University City (Missouri) | 4,365.33 mi (7,025.32 km) |
| Oostakker to University Heights (Ohio) | 3,893.24 mi (6,265.57 km) |
| Oostakker to University of California-Santa Barbara (California) | 5,610.36 mi (9,028.99 km) |
| Oostakker to University Park (Texas) | 4,906.02 mi (7,895.47 km) |
