| Riviera Beach to Johnstown (Pennsylvania) | 938.18 mi (1,509.86 km) |
| Riviera Beach to Joliet (Illinois) | 1,116.77 mi (1,797.26 km) |
| Riviera Beach to Jonesboro (Arkansas) | 883.22 mi (1,421.41 km) |
| Riviera Beach to Joplin (Missouri) | 1,102.93 mi (1,775.00 km) |
| Riviera Beach to Joppatowne (Maryland) | 899.07 mi (1,446.91 km) |
| Riviera Beach to Juana Díaz (Puerto Rico) | 1,054.60 mi (1,697.21 km) |
| Riviera Beach to Junction City (Kansas) | 1,285.66 mi (2,069.06 km) |
| Riviera Beach to Juneau (Alaska) | 3,376.06 mi (5,433.24 km) |
| Riviera Beach to Jupiter (Florida) | 9.88 mi (15.89 km) |
| Riviera Beach to Jupiter Farms (Florida) | 13.21 mi (21.26 km) |
| Riviera Beach to Jurupa Valley (California) | 2,270.80 mi (3,654.50 km) |
| Riviera Beach to Justice (Illinois) | 1,123.90 mi (1,808.75 km) |
| Riviera Beach to Kahului (Hawaii) | 4,773.78 mi (7,682.66 km) |
| Riviera Beach to Kailua (Hawaii) | 4,836.97 mi (7,784.35 km) |
| Riviera Beach to Kalamazoo (Michigan) | 1,114.91 mi (1,794.27 km) |
