| Boulder to Quarteira | 4,963.91 mi (7,988.64 km) |
| Boulder to Queluz | 4,843.87 mi (7,795.46 km) |
| Boulder to Reguengos de Monsaraz | 4,932.96 mi (7,938.84 km) |
| Boulder to Resende | 4,804.46 mi (7,732.04 km) |
| Boulder to Ribeira Brava | 4,728.64 mi (7,610.02 km) |
| Boulder to Ribeira Grande | 4,135.93 mi (6,656.14 km) |
| Boulder to Rio de Mouro | 4,840.27 mi (7,789.66 km) |
| Boulder to Rio Maior | 4,834.78 mi (7,780.82 km) |
| Boulder to Rio Tinto | 4,776.37 mi (7,686.82 km) |
| Boulder to Sabugal | 4,872.51 mi (7,841.55 km) |
| Boulder to Sacavem | 4,849.16 mi (7,803.96 km) |
| Boulder to Salvaterra de Magos | 4,854.13 mi (7,811.96 km) |
| Boulder to Santa Comba Dao | 4,826.59 mi (7,767.65 km) |
| Boulder to Santa Cruz | 4,740.60 mi (7,629.26 km) |
| Boulder to Santa Iria da Azoia | 4,847.79 mi (7,801.77 km) |
