| San Marcos to Santarem | 5,662.17 mi (9,112.37 km) |
| San Marcos to Santiago do Cacem | 5,711.87 mi (9,192.36 km) |
| San Marcos to Santo Andre | 5,708.31 mi (9,186.63 km) |
| San Marcos to Santo Tirso | 5,584.94 mi (8,988.10 km) |
| San Marcos to Sao Bras de Alportel | 5,783.64 mi (9,307.87 km) |
| San Marcos to Sao Felix da Marinha | 5,590.72 mi (8,997.39 km) |
| San Marcos to Sao Joao da Madeira | 5,601.96 mi (9,015.49 km) |
| San Marcos to Sao Joao de Ver | 5,597.02 mi (9,007.54 km) |
| San Marcos to Sao Mamede de Infesta | 5,584.86 mi (8,987.96 km) |
| San Marcos to Sao Pedro do Sul | 5,625.74 mi (9,053.75 km) |
| San Marcos to Satao | 5,640.38 mi (9,077.32 km) |
| San Marcos to Seia | 5,654.64 mi (9,100.27 km) |
| San Marcos to Senhora da Hora | 5,583.30 mi (8,985.45 km) |
| San Marcos to Serpa | 5,762.69 mi (9,274.16 km) |
| San Marcos to Serta | 5,663.74 mi (9,114.92 km) |
