| Signa to Queluz | 1,109.98 mi (1,786.34 km) |
| Signa to Reguengos de Monsaraz | 1,035.78 mi (1,666.93 km) |
| Signa to Resende | 987.12 mi (1,588.62 km) |
| Signa to Ribeira Brava | 1,697.98 mi (2,732.63 km) |
| Signa to Ribeira Grande | 1,942.39 mi (3,125.97 km) |
| Signa to Rio de Mouro | 1,112.72 mi (1,790.75 km) |
| Signa to Rio Maior | 1,077.34 mi (1,733.81 km) |
| Signa to Rio Tinto | 1,015.33 mi (1,634.02 km) |
| Signa to Sabugal | 960.18 mi (1,545.27 km) |
| Signa to Sacavem | 1,100.86 mi (1,771.66 km) |
| Signa to Salvaterra de Magos | 1,078.74 mi (1,736.06 km) |
| Signa to Santa Comba Dao | 1,010.12 mi (1,625.64 km) |
| Signa to Santa Cruz | 1,686.08 mi (2,713.48 km) |
| Signa to Santa Iria da Azoia | 1,098.52 mi (1,767.89 km) |
| Signa to Santarem | 1,067.91 mi (1,718.63 km) |
