| Galveston to Santarem | 4,786.96 mi (7,703.87 km) |
| Galveston to Santiago do Cacem | 4,817.29 mi (7,752.68 km) |
| Galveston to Santo Andre | 4,813.91 mi (7,747.24 km) |
| Galveston to Santo Tirso | 4,745.46 mi (7,637.09 km) |
| Galveston to Sao Bras de Alportel | 4,881.33 mi (7,855.74 km) |
| Galveston to Sao Felix da Marinha | 4,745.22 mi (7,636.69 km) |
| Galveston to Sao Joao da Madeira | 4,755.12 mi (7,652.63 km) |
| Galveston to Sao Joao de Ver | 4,750.69 mi (7,645.50 km) |
| Galveston to Sao Mamede de Infesta | 4,742.26 mi (7,631.93 km) |
| Galveston to Sao Pedro do Sul | 4,779.38 mi (7,691.67 km) |
| Galveston to Satao | 4,796.06 mi (7,718.51 km) |
| Galveston to Seia | 4,805.45 mi (7,733.62 km) |
| Galveston to Senhora da Hora | 4,740.13 mi (7,628.50 km) |
| Galveston to Serpa | 4,874.71 mi (7,845.09 km) |
| Galveston to Serta | 4,801.69 mi (7,727.58 km) |
