| Riverdale to Ukiah (California) | 2,176.31 mi (3,502.43 km) |
| Riverdale to Union (Missouri) | 498.61 mi (802.44 km) |
| Riverdale to Union City (California) | 2,117.39 mi (3,407.61 km) |
| Riverdale to Union City (Georgia) | 9.03 mi (14.53 km) |
| Riverdale to Union City (New Jersey) | 756.79 mi (1,217.94 km) |
| Riverdale to Union City (Tennessee) | 328.58 mi (528.80 km) |
| Riverdale to Union Hill-Novelty Hill (Washington) | 2,172.43 mi (3,496.19 km) |
| Riverdale to Union Park (Florida) | 393.09 mi (632.61 km) |
| Riverdale to Uniondale (New York) | 773.00 mi (1,244.02 km) |
| Riverdale to Universal City (Texas) | 863.01 mi (1,388.88 km) |
| Riverdale to University (Florida) | 396.80 mi (638.59 km) |
| Riverdale to University City (Missouri) | 482.97 mi (777.27 km) |
| Riverdale to University Heights (Ohio) | 570.07 mi (917.44 km) |
| Riverdale to University of California-Santa Barbara (California) | 2,021.09 mi (3,252.64 km) |
| Riverdale to University Park (Texas) | 717.15 mi (1,154.14 km) |
