| Round Lake Beach to Santarem | 3,999.47 mi (6,436.53 km) |
| Round Lake Beach to Santiago do Cacem | 4,042.54 mi (6,505.83 km) |
| Round Lake Beach to Santo Andre | 4,039.01 mi (6,500.16 km) |
| Round Lake Beach to Santo Tirso | 3,935.91 mi (6,334.23 km) |
| Round Lake Beach to Sao Bras de Alportel | 4,112.19 mi (6,617.93 km) |
| Round Lake Beach to Sao Felix da Marinha | 3,939.20 mi (6,339.53 km) |
| Round Lake Beach to Sao Joao da Madeira | 3,949.99 mi (6,356.90 km) |
| Round Lake Beach to Sao Joao de Ver | 3,945.22 mi (6,349.21 km) |
| Round Lake Beach to Sao Mamede de Infesta | 3,934.50 mi (6,331.97 km) |
| Round Lake Beach to Sao Pedro do Sul | 3,974.18 mi (6,395.83 km) |
| Round Lake Beach to Satao | 3,989.81 mi (6,420.98 km) |
| Round Lake Beach to Seia | 4,002.17 mi (6,440.87 km) |
| Round Lake Beach to Senhora da Hora | 3,932.69 mi (6,329.05 km) |
| Round Lake Beach to Serpa | 4,096.10 mi (6,592.03 km) |
| Round Lake Beach to Serta | 4,006.15 mi (6,447.27 km) |
