| Seini to Quarteira | 1,747.28 mi (2,811.97 km) |
| Seini to Queluz | 1,736.55 mi (2,794.71 km) |
| Seini to Reguengos de Monsaraz | 1,669.58 mi (2,686.94 km) |
| Seini to Resende | 1,596.44 mi (2,569.22 km) |
| Seini to Ribeira Brava | 2,334.57 mi (3,757.13 km) |
| Seini to Ribeira Grande | 2,522.91 mi (4,060.23 km) |
| Seini to Rio de Mouro | 1,738.96 mi (2,798.59 km) |
| Seini to Rio Maior | 1,700.48 mi (2,736.66 km) |
| Seini to Rio Tinto | 1,621.76 mi (2,609.97 km) |
| Seini to Sabugal | 1,580.40 mi (2,543.42 km) |
| Seini to Sacavem | 1,727.60 mi (2,780.31 km) |
| Seini to Salvaterra de Magos | 1,704.82 mi (2,743.65 km) |
| Seini to Santa Comba Dao | 1,626.38 mi (2,617.41 km) |
| Seini to Santa Cruz | 2,323.20 mi (3,738.83 km) |
| Seini to Santa Iria da Azoia | 1,724.93 mi (2,776.01 km) |
