| Rietavas to Santiago do Cacem | 1,867.92 mi (3,006.13 km) |
| Rietavas to Santo Andre | 1,867.86 mi (3,006.02 km) |
| Rietavas to Santo Tirso | 1,687.60 mi (2,715.93 km) |
| Rietavas to Sao Bras de Alportel | 1,887.09 mi (3,036.98 km) |
| Rietavas to Sao Felix da Marinha | 1,708.21 mi (2,749.10 km) |
| Rietavas to Sao Joao da Madeira | 1,710.33 mi (2,752.52 km) |
| Rietavas to Sao Joao de Ver | 1,709.67 mi (2,751.46 km) |
| Rietavas to Sao Mamede de Infesta | 1,699.04 mi (2,734.35 km) |
| Rietavas to Sao Pedro do Sul | 1,702.83 mi (2,740.45 km) |
| Rietavas to Satao | 1,691.92 mi (2,722.89 km) |
| Rietavas to Seia | 1,706.81 mi (2,746.85 km) |
| Rietavas to Senhora da Hora | 1,701.57 mi (2,738.41 km) |
| Rietavas to Serpa | 1,834.23 mi (2,951.91 km) |
| Rietavas to Serta | 1,752.93 mi (2,821.07 km) |
| Rietavas to Sesimbra | 1,858.97 mi (2,991.73 km) |
