| Castle Rock to Quarteira | 4,971.01 mi (8,000.07 km) |
| Castle Rock to Queluz | 4,851.72 mi (7,808.08 km) |
| Castle Rock to Reguengos de Monsaraz | 4,941.28 mi (7,952.22 km) |
| Castle Rock to Resende | 4,814.57 mi (7,748.30 km) |
| Castle Rock to Ribeira Brava | 4,728.58 mi (7,609.91 km) |
| Castle Rock to Ribeira Grande | 4,136.58 mi (6,657.17 km) |
| Castle Rock to Rio de Mouro | 4,848.10 mi (7,802.26 km) |
| Castle Rock to Rio Maior | 4,843.18 mi (7,794.35 km) |
| Castle Rock to Rio Tinto | 4,786.29 mi (7,702.79 km) |
| Castle Rock to Sabugal | 4,882.42 mi (7,857.49 km) |
| Castle Rock to Sacavem | 4,857.10 mi (7,816.74 km) |
| Castle Rock to Salvaterra de Magos | 4,862.36 mi (7,825.22 km) |
| Castle Rock to Santa Comba Dao | 4,836.12 mi (7,782.98 km) |
| Castle Rock to Santa Cruz | 4,740.65 mi (7,629.34 km) |
| Castle Rock to Santa Iria da Azoia | 4,855.78 mi (7,814.62 km) |
