| Ada to Santarem | 1,526.66 mi (2,456.92 km) |
| Ada to Santiago do Cacem | 1,566.81 mi (2,521.53 km) |
| Ada to Santo Andre | 1,568.06 mi (2,523.54 km) |
| Ada to Santo Tirso | 1,456.39 mi (2,343.83 km) |
| Ada to Sao Bras de Alportel | 1,558.46 mi (2,508.09 km) |
| Ada to Sao Felix da Marinha | 1,471.73 mi (2,368.53 km) |
| Ada to Sao Joao da Madeira | 1,468.94 mi (2,364.03 km) |
| Ada to Sao Joao de Ver | 1,470.40 mi (2,366.38 km) |
| Ada to Sao Mamede de Infesta | 1,466.26 mi (2,359.71 km) |
| Ada to Sao Pedro do Sul | 1,452.63 mi (2,337.79 km) |
| Ada to Satao | 1,437.07 mi (2,312.74 km) |
| Ada to Seia | 1,444.26 mi (2,324.31 km) |
| Ada to Senhora da Hora | 1,469.08 mi (2,364.25 km) |
| Ada to Serpa | 1,517.09 mi (2,441.53 km) |
| Ada to Serta | 1,481.39 mi (2,384.06 km) |
