| Willebroek to Ukiah (California) | 5,446.01 mi (8,764.51 km) |
| Willebroek to Union (Missouri) | 4,425.25 mi (7,121.75 km) |
| Willebroek to Union City (California) | 5,504.67 mi (8,858.91 km) |
| Willebroek to Union City (Georgia) | 4,413.98 mi (7,103.62 km) |
| Willebroek to Union City (New Jersey) | 3,652.81 mi (5,878.63 km) |
| Willebroek to Union City (Tennessee) | 4,450.92 mi (7,163.06 km) |
| Willebroek to Union Hill-Novelty Hill (Washington) | 4,911.77 mi (7,904.73 km) |
| Willebroek to Union Park (Florida) | 4,527.42 mi (7,286.19 km) |
| Willebroek to Uniondale (New York) | 3,637.30 mi (5,853.66 km) |
| Willebroek to Universal City (Texas) | 5,161.90 mi (8,307.27 km) |
| Willebroek to University (Florida) | 4,601.97 mi (7,406.16 km) |
| Willebroek to University City (Missouri) | 4,389.14 mi (7,063.64 km) |
| Willebroek to University Heights (Ohio) | 3,917.58 mi (6,304.74 km) |
| Willebroek to University of California-Santa Barbara (California) | 5,630.05 mi (9,060.69 km) |
| Willebroek to University Park (Texas) | 4,929.85 mi (7,933.82 km) |
