| Rockford to Santarem | 4,048.16 mi (6,514.88 km) |
| Rockford to Santiago do Cacem | 4,091.53 mi (6,584.68 km) |
| Rockford to Santo Andre | 4,088.00 mi (6,579.00 km) |
| Rockford to Santo Tirso | 3,983.98 mi (6,411.59 km) |
| Rockford to Sao Bras de Alportel | 4,161.29 mi (6,696.95 km) |
| Rockford to Sao Felix da Marinha | 3,987.38 mi (6,417.07 km) |
| Rockford to Sao Joao da Madeira | 3,998.19 mi (6,434.47 km) |
| Rockford to Sao Joao de Ver | 3,993.41 mi (6,426.77 km) |
| Rockford to Sao Mamede de Infesta | 3,982.63 mi (6,409.43 km) |
| Rockford to Sao Pedro do Sul | 4,022.37 mi (6,473.38 km) |
| Rockford to Satao | 4,037.96 mi (6,498.47 km) |
| Rockford to Seia | 4,050.41 mi (6,518.50 km) |
| Rockford to Senhora da Hora | 3,980.83 mi (6,406.52 km) |
| Rockford to Serpa | 4,144.98 mi (6,670.70 km) |
| Rockford to Serta | 4,054.61 mi (6,525.26 km) |
