| Mastic Beach to Santarem | 3,318.36 mi (5,340.38 km) |
| Mastic Beach to Santiago do Cacem | 3,351.92 mi (5,394.40 km) |
| Mastic Beach to Santo Andre | 3,348.49 mi (5,388.88 km) |
| Mastic Beach to Santo Tirso | 3,273.04 mi (5,267.45 km) |
| Mastic Beach to Sao Bras de Alportel | 3,417.76 mi (5,500.35 km) |
| Mastic Beach to Sao Felix da Marinha | 3,273.23 mi (5,267.76 km) |
| Mastic Beach to Sao Joao da Madeira | 3,283.28 mi (5,283.92 km) |
| Mastic Beach to Sao Joao de Ver | 3,278.79 mi (5,276.70 km) |
| Mastic Beach to Sao Mamede de Infesta | 3,270.05 mi (5,262.64 km) |
| Mastic Beach to Sao Pedro do Sul | 3,307.56 mi (5,323.00 km) |
| Mastic Beach to Satao | 3,324.12 mi (5,349.65 km) |
| Mastic Beach to Seia | 3,333.94 mi (5,365.46 km) |
| Mastic Beach to Senhora da Hora | 3,267.95 mi (5,259.26 km) |
| Mastic Beach to Serpa | 3,408.47 mi (5,485.40 km) |
| Mastic Beach to Serta | 3,331.48 mi (5,361.50 km) |
