| Rockville Centre to Quarteira | 3,451.31 mi (5,554.34 km) |
| Rockville Centre to Queluz | 3,345.06 mi (5,383.36 km) |
| Rockville Centre to Reguengos de Monsaraz | 3,439.88 mi (5,535.96 km) |
| Rockville Centre to Resende | 3,344.51 mi (5,382.47 km) |
| Rockville Centre to Ribeira Brava | 3,129.72 mi (5,036.79 km) |
| Rockville Centre to Ribeira Grande | 2,550.41 mi (4,104.49 km) |
| Rockville Centre to Rio de Mouro | 3,341.31 mi (5,377.31 km) |
| Rockville Centre to Rio Maior | 3,345.26 mi (5,383.68 km) |
| Rockville Centre to Rio Tinto | 3,313.93 mi (5,333.26 km) |
| Rockville Centre to Sabugal | 3,407.33 mi (5,483.57 km) |
| Rockville Centre to Sacavem | 3,351.79 mi (5,394.19 km) |
| Rockville Centre to Salvaterra de Magos | 3,361.41 mi (5,409.67 km) |
| Rockville Centre to Santa Comba Dao | 3,355.97 mi (5,400.91 km) |
| Rockville Centre to Santa Cruz | 3,142.67 mi (5,057.63 km) |
| Rockville Centre to Santa Iria da Azoia | 3,351.18 mi (5,393.21 km) |
