| Riviera Beach to Smyrna (Delaware) | 902.04 mi (1,451.69 km) |
| Riviera Beach to Smyrna (Georgia) | 556.28 mi (895.25 km) |
| Riviera Beach to Smyrna (Tennessee) | 739.68 mi (1,190.40 km) |
| Riviera Beach to Snellville (Georgia) | 541.98 mi (872.23 km) |
| Riviera Beach to Snoqualmie (Washington) | 2,664.24 mi (4,287.69 km) |
| Riviera Beach to Snyder (Texas) | 1,312.80 mi (2,112.75 km) |
| Riviera Beach to Socastee (South Carolina) | 481.35 mi (774.67 km) |
| Riviera Beach to Socorro (Texas) | 1,610.32 mi (2,591.55 km) |
| Riviera Beach to Soddy-Daisy (Tennessee) | 658.62 mi (1,059.94 km) |
| Riviera Beach to Solana Beach (California) | 2,256.43 mi (3,631.38 km) |
| Riviera Beach to Soledad (California) | 2,497.93 mi (4,020.03 km) |
| Riviera Beach to Solon (Ohio) | 1,012.11 mi (1,628.83 km) |
| Riviera Beach to Somers Point (New Jersey) | 921.67 mi (1,483.29 km) |
| Riviera Beach to Somerset (Kentucky) | 759.61 mi (1,222.48 km) |
| Riviera Beach to Somerset (New Jersey) | 1,000.57 mi (1,610.25 km) |
