| Srem to Queluz | 1,558.55 mi (2,508.24 km) |
| Srem to Reguengos de Monsaraz | 1,509.80 mi (2,429.79 km) |
| Srem to Resende | 1,396.98 mi (2,248.22 km) |
| Srem to Ribeira Brava | 2,162.68 mi (3,480.50 km) |
| Srem to Ribeira Grande | 2,259.92 mi (3,636.99 km) |
| Srem to Rio de Mouro | 1,560.23 mi (2,510.95 km) |
| Srem to Rio Maior | 1,517.64 mi (2,442.40 km) |
| Srem to Rio Tinto | 1,417.09 mi (2,280.58 km) |
| Srem to Sabugal | 1,398.17 mi (2,250.15 km) |
| Srem to Sacavem | 1,550.30 mi (2,494.97 km) |
| Srem to Salvaterra de Magos | 1,527.19 mi (2,457.78 km) |
| Srem to Santa Comba Dao | 1,435.55 mi (2,310.30 km) |
| Srem to Santa Cruz | 2,153.06 mi (3,465.02 km) |
| Srem to Santa Iria da Azoia | 1,547.11 mi (2,489.84 km) |
| Srem to Santarem | 1,512.95 mi (2,434.86 km) |
