| Riviera Beach to Sugar Hill (Georgia) | 558.89 mi (899.44 km) |
| Riviera Beach to Sugar Land (Texas) | 966.60 mi (1,555.59 km) |
| Riviera Beach to Sugarland Run (Virginia) | 860.59 mi (1,384.98 km) |
| Riviera Beach to Sugarmill Woods (Florida) | 200.35 mi (322.44 km) |
| Riviera Beach to Suisun City (California) | 2,544.21 mi (4,094.51 km) |
| Riviera Beach to Suitland (Maryland) | 853.49 mi (1,373.56 km) |
| Riviera Beach to Sulphur (Louisiana) | 840.30 mi (1,352.33 km) |
| Riviera Beach to Sulphur Springs (Texas) | 1,027.20 mi (1,653.12 km) |
| Riviera Beach to Summerfield (Maryland) | 857.87 mi (1,380.61 km) |
| Riviera Beach to Summerfield (North Carolina) | 650.66 mi (1,047.14 km) |
| Riviera Beach to Summerlin South (Nevada) | 2,162.65 mi (3,480.45 km) |
| Riviera Beach to Summerville (South Carolina) | 429.83 mi (691.74 km) |
| Riviera Beach to Summit (Illinois) | 1,125.85 mi (1,811.88 km) |
| Riviera Beach to Summit (New Jersey) | 1,016.47 mi (1,635.85 km) |
| Riviera Beach to Sumner (Washington) | 2,675.51 mi (4,305.82 km) |
