| Billdal to Quarteira | 1,685.76 mi (2,712.96 km) |
| Billdal to Queluz | 1,612.56 mi (2,595.17 km) |
| Billdal to Reguengos de Monsaraz | 1,588.61 mi (2,556.62 km) |
| Billdal to Resende | 1,437.21 mi (2,312.97 km) |
| Billdal to Ribeira Brava | 2,192.32 mi (3,528.20 km) |
| Billdal to Ribeira Grande | 2,167.70 mi (3,488.58 km) |
| Billdal to Rio de Mouro | 1,613.26 mi (2,596.29 km) |
| Billdal to Rio Maior | 1,568.77 mi (2,524.69 km) |
| Billdal to Rio Tinto | 1,449.06 mi (2,332.03 km) |
| Billdal to Sabugal | 1,459.45 mi (2,348.76 km) |
| Billdal to Sacavem | 1,605.73 mi (2,584.18 km) |
| Billdal to Salvaterra de Magos | 1,583.88 mi (2,549.01 km) |
| Billdal to Santa Comba Dao | 1,483.29 mi (2,387.12 km) |
| Billdal to Santa Cruz | 2,185.16 mi (3,516.68 km) |
| Billdal to Santa Iria da Azoia | 1,602.15 mi (2,578.40 km) |
