| Riviera Beach to Somersworth (New Hampshire) | 1,249.33 mi (2,010.60 km) |
| Riviera Beach to Somerton (Arizona) | 2,107.24 mi (3,391.28 km) |
| Riviera Beach to Somerville (Massachusetts) | 1,191.47 mi (1,917.48 km) |
| Riviera Beach to Somerville (New Jersey) | 1,002.60 mi (1,613.52 km) |
| Riviera Beach to Sonoma (California) | 2,568.83 mi (4,134.13 km) |
| Riviera Beach to Soquel (California) | 2,533.87 mi (4,077.87 km) |
| Riviera Beach to South Bend (Indiana) | 1,087.53 mi (1,750.22 km) |
| Riviera Beach to South Bradenton (Florida) | 161.23 mi (259.47 km) |
| Riviera Beach to South Burlington (Vermont) | 1,279.65 mi (2,059.40 km) |
| Riviera Beach to South Charleston (West Virginia) | 804.46 mi (1,294.66 km) |
| Riviera Beach to South Daytona (Florida) | 174.27 mi (280.46 km) |
| Riviera Beach to South El Monte (California) | 2,303.99 mi (3,707.92 km) |
| Riviera Beach to South Elgin (Illinois) | 1,149.68 mi (1,850.24 km) |
| Riviera Beach to South Euclid (Ohio) | 1,021.95 mi (1,644.67 km) |
| Riviera Beach to South Farmingdale (New York) | 1,034.59 mi (1,665.02 km) |
