| River Ridge to Santarem | 4,525.80 mi (7,283.57 km) |
| River Ridge to Santiago do Cacem | 4,553.74 mi (7,328.53 km) |
| River Ridge to Santo Andre | 4,550.39 mi (7,323.15 km) |
| River Ridge to Santo Tirso | 4,488.86 mi (7,224.13 km) |
| River Ridge to Sao Bras de Alportel | 4,616.63 mi (7,429.74 km) |
| River Ridge to Sao Felix da Marinha | 4,487.87 mi (7,222.52 km) |
| River Ridge to Sao Joao da Madeira | 4,497.56 mi (7,238.12 km) |
| River Ridge to Sao Joao de Ver | 4,493.21 mi (7,231.13 km) |
| River Ridge to Sao Mamede de Infesta | 4,485.29 mi (7,218.37 km) |
| River Ridge to Sao Pedro do Sul | 4,521.75 mi (7,277.05 km) |
| River Ridge to Satao | 4,538.59 mi (7,304.15 km) |
| River Ridge to Seia | 4,547.33 mi (7,318.22 km) |
| River Ridge to Senhora da Hora | 4,483.09 mi (7,214.84 km) |
| River Ridge to Serpa | 4,611.66 mi (7,421.75 km) |
| River Ridge to Serta | 4,542.03 mi (7,309.69 km) |
