| Ruislip to Quarteira | 1,070.20 mi (1,722.33 km) |
| Ruislip to Queluz | 983.38 mi (1,582.60 km) |
| Ruislip to Reguengos de Monsaraz | 972.02 mi (1,564.32 km) |
| Ruislip to Resende | 806.67 mi (1,298.21 km) |
| Ruislip to Ribeira Brava | 1,550.43 mi (2,495.18 km) |
| Ruislip to Ribeira Grande | 1,542.95 mi (2,483.14 km) |
| Ruislip to Rio de Mouro | 983.66 mi (1,583.04 km) |
| Ruislip to Rio Maior | 939.39 mi (1,511.80 km) |
| Ruislip to Rio Tinto | 815.06 mi (1,311.70 km) |
| Ruislip to Sabugal | 837.97 mi (1,348.59 km) |
| Ruislip to Sacavem | 977.29 mi (1,572.80 km) |
| Ruislip to Salvaterra de Magos | 956.50 mi (1,539.34 km) |
| Ruislip to Santa Comba Dao | 854.64 mi (1,375.41 km) |
| Ruislip to Santa Cruz | 1,543.70 mi (2,484.34 km) |
| Ruislip to Santa Iria da Azoia | 973.62 mi (1,566.89 km) |
