| Riviera Beach to Southern Pines (North Carolina) | 582.52 mi (937.48 km) |
| Riviera Beach to Southfield (Michigan) | 1,099.23 mi (1,769.04 km) |
| Riviera Beach to Southgate (Michigan) | 1,080.26 mi (1,738.50 km) |
| Riviera Beach to Southlake (Texas) | 1,106.70 mi (1,781.06 km) |
| Riviera Beach to Spanaway (Washington) | 2,681.67 mi (4,315.72 km) |
| Riviera Beach to Spanish Fork (Utah) | 2,024.70 mi (3,258.44 km) |
| Riviera Beach to Spanish Lake (Missouri) | 1,015.69 mi (1,634.59 km) |
| Riviera Beach to Spanish Springs (Nevada) | 2,431.93 mi (3,913.82 km) |
| Riviera Beach to Sparks (Nevada) | 2,433.48 mi (3,916.30 km) |
| Riviera Beach to Spartanburg (South Carolina) | 574.55 mi (924.65 km) |
| Riviera Beach to Spearfish (South Dakota) | 1,797.13 mi (2,892.20 km) |
| Riviera Beach to Speedway (Indiana) | 966.53 mi (1,555.49 km) |
| Riviera Beach to Spencer (Iowa) | 1,412.07 mi (2,272.50 km) |
| Riviera Beach to Spokane (Washington) | 2,474.26 mi (3,981.94 km) |
| Riviera Beach to Spokane Valley (Washington) | 2,465.61 mi (3,968.01 km) |
