| Parkway to Ukiah (California) | 104.68 mi (168.47 km) |
| Parkway to Union (Missouri) | 1,640.09 mi (2,639.48 km) |
| Parkway to Union City (California) | 69.15 mi (111.29 km) |
| Parkway to Union City (Georgia) | 2,074.37 mi (3,338.38 km) |
| Parkway to Union City (New Jersey) | 2,497.27 mi (4,018.97 km) |
| Parkway to Union City (Tennessee) | 1,773.74 mi (2,854.56 km) |
| Parkway to Union Hill-Novelty Hill (Washington) | 634.90 mi (1,021.78 km) |
| Parkway to Union Park (Florida) | 2,394.88 mi (3,854.18 km) |
| Parkway to Uniondale (New York) | 2,520.39 mi (4,056.17 km) |
| Parkway to Universal City (Texas) | 1,456.94 mi (2,344.71 km) |
| Parkway to University (Florida) | 2,346.06 mi (3,775.61 km) |
| Parkway to University City (Missouri) | 1,672.72 mi (2,691.98 km) |
| Parkway to University Heights (Ohio) | 2,104.17 mi (3,386.33 km) |
| Parkway to University of California-Santa Barbara (California) | 295.77 mi (476.00 km) |
| Parkway to University Park (Texas) | 1,433.06 mi (2,306.29 km) |
