| Riviera Beach to Ukiah (California) | 2,614.79 mi (4,208.09 km) |
| Riviera Beach to Union (Missouri) | 1,024.32 mi (1,648.49 km) |
| Riviera Beach to Union City (California) | 2,540.78 mi (4,089.00 km) |
| Riviera Beach to Union City (Georgia) | 541.55 mi (871.53 km) |
| Riviera Beach to Union City (New Jersey) | 1,026.06 mi (1,651.29 km) |
| Riviera Beach to Union City (Tennessee) | 849.35 mi (1,366.90 km) |
| Riviera Beach to Union Hill-Novelty Hill (Washington) | 2,675.66 mi (4,306.06 km) |
| Riviera Beach to Union Park (Florida) | 142.30 mi (229.01 km) |
| Riviera Beach to Uniondale (New York) | 1,031.55 mi (1,660.12 km) |
| Riviera Beach to Universal City (Texas) | 1,125.75 mi (1,811.73 km) |
| Riviera Beach to University (Florida) | 170.15 mi (273.82 km) |
| Riviera Beach to University City (Missouri) | 1,013.22 mi (1,630.62 km) |
| Riviera Beach to University Heights (Ohio) | 1,019.99 mi (1,641.51 km) |
| Riviera Beach to University of California-Santa Barbara (California) | 2,408.07 mi (3,875.41 km) |
| Riviera Beach to University Park (Texas) | 1,084.81 mi (1,745.83 km) |
