| Risca to Ukiah (California) | 5,205.35 mi (8,377.21 km) |
| Risca to Union (Missouri) | 4,122.33 mi (6,634.25 km) |
| Risca to Union City (California) | 5,257.85 mi (8,461.69 km) |
| Risca to Union City (Georgia) | 4,097.96 mi (6,595.03 km) |
| Risca to Union City (New Jersey) | 3,336.37 mi (5,369.36 km) |
| Risca to Union City (Tennessee) | 4,142.67 mi (6,666.98 km) |
| Risca to Union Hill-Novelty Hill (Washington) | 4,687.28 mi (7,543.45 km) |
| Risca to Union Park (Florida) | 4,205.52 mi (6,768.13 km) |
| Risca to Uniondale (New York) | 3,320.47 mi (5,343.78 km) |
| Risca to Universal City (Texas) | 4,855.75 mi (7,814.57 km) |
| Risca to University (Florida) | 4,280.38 mi (6,888.61 km) |
| Risca to University City (Missouri) | 4,085.76 mi (6,575.40 km) |
| Risca to University Heights (Ohio) | 3,608.81 mi (5,807.82 km) |
| Risca to University of California-Santa Barbara (California) | 5,371.70 mi (8,644.91 km) |
| Risca to University Park (Texas) | 4,626.08 mi (7,444.95 km) |
