| Sierre to Quarteira | 1,025.29 mi (1,650.04 km) |
| Sierre to Queluz | 998.83 mi (1,607.46 km) |
| Sierre to Reguengos de Monsaraz | 940.00 mi (1,512.78 km) |
| Sierre to Resende | 851.30 mi (1,370.04 km) |
| Sierre to Ribeira Brava | 1,602.47 mi (2,578.93 km) |
| Sierre to Ribeira Grande | 1,778.69 mi (2,862.53 km) |
| Sierre to Rio de Mouro | 1,000.97 mi (1,610.90 km) |
| Sierre to Rio Maior | 960.68 mi (1,546.06 km) |
| Sierre to Rio Tinto | 875.79 mi (1,409.44 km) |
| Sierre to Sabugal | 840.00 mi (1,351.85 km) |
| Sierre to Sacavem | 990.11 mi (1,593.43 km) |
| Sierre to Salvaterra de Magos | 967.05 mi (1,556.31 km) |
| Sierre to Santa Comba Dao | 883.53 mi (1,421.90 km) |
| Sierre to Santa Cruz | 1,591.88 mi (2,561.88 km) |
| Sierre to Santa Iria da Azoia | 987.21 mi (1,588.76 km) |
