| Middle River to Quarteira | 3,620.82 mi (5,827.15 km) |
| Middle River to Queluz | 3,515.48 mi (5,657.61 km) |
| Middle River to Reguengos de Monsaraz | 3,610.48 mi (5,810.50 km) |
| Middle River to Resende | 3,516.52 mi (5,659.29 km) |
| Middle River to Ribeira Brava | 3,290.88 mi (5,296.16 km) |
| Middle River to Ribeira Grande | 2,714.74 mi (4,368.95 km) |
| Middle River to Rio de Mouro | 3,511.72 mi (5,651.56 km) |
| Middle River to Rio Maior | 3,516.13 mi (5,658.67 km) |
| Middle River to Rio Tinto | 3,485.89 mi (5,610.00 km) |
| Middle River to Sabugal | 3,579.11 mi (5,760.02 km) |
| Middle River to Sacavem | 3,522.27 mi (5,668.55 km) |
| Middle River to Salvaterra de Magos | 3,532.11 mi (5,684.38 km) |
| Middle River to Santa Comba Dao | 3,527.60 mi (5,677.13 km) |
| Middle River to Santa Cruz | 3,303.97 mi (5,317.23 km) |
| Middle River to Santa Iria da Azoia | 3,521.70 mi (5,667.63 km) |
