| River Falls to Santarem | 4,126.72 mi (6,641.32 km) |
| River Falls to Santiago do Cacem | 4,175.05 mi (6,719.09 km) |
| River Falls to Santo Andre | 4,171.49 mi (6,713.37 km) |
| River Falls to Santo Tirso | 4,053.37 mi (6,523.26 km) |
| River Falls to Sao Bras de Alportel | 4,246.50 mi (6,834.08 km) |
| River Falls to Sao Felix da Marinha | 4,058.34 mi (6,531.27 km) |
| River Falls to Sao Joao da Madeira | 4,069.46 mi (6,549.17 km) |
| River Falls to Sao Joao de Ver | 4,064.57 mi (6,541.29 km) |
| River Falls to Sao Mamede de Infesta | 4,052.85 mi (6,522.43 km) |
| River Falls to Sao Pedro do Sul | 4,093.40 mi (6,587.69 km) |
| River Falls to Satao | 4,108.38 mi (6,611.80 km) |
| River Falls to Seia | 4,122.05 mi (6,633.80 km) |
| River Falls to Senhora da Hora | 4,051.21 mi (6,519.79 km) |
| River Falls to Serpa | 4,226.44 mi (6,801.80 km) |
| River Falls to Serta | 4,129.64 mi (6,646.01 km) |
