| Rock Island to Santarem | 4,142.57 mi (6,666.83 km) |
| Rock Island to Santiago do Cacem | 4,185.65 mi (6,736.15 km) |
| Rock Island to Santo Andre | 4,182.12 mi (6,730.48 km) |
| Rock Island to Santo Tirso | 4,078.83 mi (6,564.24 km) |
| Rock Island to Sao Bras de Alportel | 4,255.29 mi (6,848.22 km) |
| Rock Island to Sao Felix da Marinha | 4,082.16 mi (6,569.61 km) |
| Rock Island to Sao Joao da Madeira | 4,092.96 mi (6,586.99 km) |
| Rock Island to Sao Joao de Ver | 4,088.19 mi (6,579.30 km) |
| Rock Island to Sao Mamede de Infesta | 4,077.45 mi (6,562.02 km) |
| Rock Island to Sao Pedro do Sul | 4,117.15 mi (6,625.91 km) |
| Rock Island to Satao | 4,132.76 mi (6,651.04 km) |
| Rock Island to Seia | 4,145.15 mi (6,670.98 km) |
| Rock Island to Senhora da Hora | 4,075.64 mi (6,559.10 km) |
| Rock Island to Serpa | 4,239.21 mi (6,822.36 km) |
| Rock Island to Serta | 4,149.20 mi (6,677.50 km) |
