| Riviera Beach to Santarem | 4,119.57 mi (6,629.81 km) |
| Riviera Beach to Santiago do Cacem | 4,135.79 mi (6,655.91 km) |
| Riviera Beach to Santo Andre | 4,132.65 mi (6,650.86 km) |
| Riviera Beach to Santo Tirso | 4,103.90 mi (6,604.60 km) |
| Riviera Beach to Sao Bras de Alportel | 4,192.34 mi (6,746.92 km) |
| Riviera Beach to Sao Felix da Marinha | 4,099.58 mi (6,597.64 km) |
| Riviera Beach to Sao Joao da Madeira | 4,108.16 mi (6,611.45 km) |
| Riviera Beach to Sao Joao de Ver | 4,104.27 mi (6,605.18 km) |
| Riviera Beach to Sao Mamede de Infesta | 4,098.72 mi (6,596.25 km) |
| Riviera Beach to Sao Pedro do Sul | 4,131.73 mi (6,649.38 km) |
| Riviera Beach to Satao | 4,149.09 mi (6,677.31 km) |
| Riviera Beach to Seia | 4,154.80 mi (6,686.51 km) |
| Riviera Beach to Senhora da Hora | 4,096.28 mi (6,592.33 km) |
| Riviera Beach to Serpa | 4,195.44 mi (6,751.91 km) |
| Riviera Beach to Serta | 4,142.56 mi (6,666.80 km) |
