| Glenn Dale to Quarteira | 3,648.64 mi (5,871.92 km) |
| Glenn Dale to Queluz | 3,543.70 mi (5,703.04 km) |
| Glenn Dale to Reguengos de Monsaraz | 3,638.78 mi (5,856.05 km) |
| Glenn Dale to Resende | 3,545.58 mi (5,706.06 km) |
| Glenn Dale to Ribeira Brava | 3,315.77 mi (5,336.21 km) |
| Glenn Dale to Ribeira Grande | 2,740.70 mi (4,410.73 km) |
| Glenn Dale to Rio de Mouro | 3,539.94 mi (5,696.98 km) |
| Glenn Dale to Rio Maior | 3,544.57 mi (5,704.44 km) |
| Glenn Dale to Rio Tinto | 3,514.91 mi (5,656.71 km) |
| Glenn Dale to Sabugal | 3,608.03 mi (5,806.56 km) |
| Glenn Dale to Sacavem | 3,550.53 mi (5,714.02 km) |
| Glenn Dale to Salvaterra de Magos | 3,560.46 mi (5,730.01 km) |
| Glenn Dale to Santa Comba Dao | 3,556.44 mi (5,723.54 km) |
| Glenn Dale to Santa Cruz | 3,328.90 mi (5,357.35 km) |
| Glenn Dale to Santa Iria da Azoia | 3,549.98 mi (5,713.14 km) |
