| Robstown to Santarem | 4,982.75 mi (8,018.97 km) |
| Robstown to Santiago do Cacem | 5,013.34 mi (8,068.19 km) |
| Robstown to Santo Andre | 5,009.95 mi (8,062.74 km) |
| Robstown to Santo Tirso | 4,940.59 mi (7,951.11 km) |
| Robstown to Sao Bras de Alportel | 5,077.47 mi (8,171.39 km) |
| Robstown to Sao Felix da Marinha | 4,940.47 mi (7,950.92 km) |
| Robstown to Sao Joao da Madeira | 4,950.41 mi (7,966.92 km) |
| Robstown to Sao Joao de Ver | 4,945.97 mi (7,959.77 km) |
| Robstown to Sao Mamede de Infesta | 4,937.45 mi (7,946.06 km) |
| Robstown to Sao Pedro do Sul | 4,974.67 mi (8,005.97 km) |
| Robstown to Satao | 4,991.32 mi (8,032.76 km) |
| Robstown to Seia | 5,000.81 mi (8,048.03 km) |
| Robstown to Senhora da Hora | 4,935.33 mi (7,942.64 km) |
| Robstown to Serpa | 5,070.70 mi (8,160.51 km) |
| Robstown to Serta | 4,997.29 mi (8,042.36 km) |
