| Birstonas to Queluz | 1,892.79 mi (3,046.14 km) |
| Birstonas to Reguengos de Monsaraz | 1,845.77 mi (2,970.49 km) |
| Birstonas to Resende | 1,729.04 mi (2,782.63 km) |
| Birstonas to Ribeira Brava | 2,496.02 mi (4,016.96 km) |
| Birstonas to Ribeira Grande | 2,568.80 mi (4,134.08 km) |
| Birstonas to Rio de Mouro | 1,894.38 mi (3,048.71 km) |
| Birstonas to Rio Maior | 1,851.45 mi (2,979.63 km) |
| Birstonas to Rio Tinto | 1,748.20 mi (2,813.45 km) |
| Birstonas to Sabugal | 1,732.52 mi (2,788.22 km) |
| Birstonas to Sacavem | 1,884.64 mi (3,033.04 km) |
| Birstonas to Salvaterra de Magos | 1,861.58 mi (2,995.92 km) |
| Birstonas to Santa Comba Dao | 1,768.68 mi (2,846.42 km) |
| Birstonas to Santa Cruz | 2,486.65 mi (4,001.87 km) |
| Birstonas to Santa Iria da Azoia | 1,881.41 mi (3,027.83 km) |
| Birstonas to Santarem | 1,847.16 mi (2,972.71 km) |
