| Rockville to Quarteira | 3,663.74 mi (5,896.23 km) |
| Rockville to Queluz | 3,558.46 mi (5,726.78 km) |
| Rockville to Reguengos de Monsaraz | 3,653.46 mi (5,879.68 km) |
| Rockville to Resende | 3,559.53 mi (5,728.51 km) |
| Rockville to Ribeira Brava | 3,332.79 mi (5,363.60 km) |
| Rockville to Ribeira Grande | 2,757.11 mi (4,437.14 km) |
| Rockville to Rio de Mouro | 3,554.70 mi (5,720.73 km) |
| Rockville to Rio Maior | 3,559.13 mi (5,727.87 km) |
| Rockville to Rio Tinto | 3,528.90 mi (5,679.22 km) |
| Rockville to Sabugal | 3,622.12 mi (5,829.25 km) |
| Rockville to Sacavem | 3,565.26 mi (5,737.73 km) |
| Rockville to Salvaterra de Magos | 3,575.10 mi (5,753.57 km) |
| Rockville to Santa Comba Dao | 3,570.62 mi (5,746.36 km) |
| Rockville to Santa Cruz | 3,345.90 mi (5,384.71 km) |
| Rockville to Santa Iria da Azoia | 3,564.69 mi (5,736.81 km) |
