| Prospect Heights to Quarteira | 4,105.53 mi (6,607.21 km) |
| Prospect Heights to Queluz | 3,990.91 mi (6,422.75 km) |
| Prospect Heights to Reguengos de Monsaraz | 4,083.01 mi (6,570.97 km) |
| Prospect Heights to Resende | 3,968.44 mi (6,386.58 km) |
| Prospect Heights to Ribeira Brava | 3,833.61 mi (6,169.60 km) |
| Prospect Heights to Ribeira Grande | 3,244.42 mi (5,221.40 km) |
| Prospect Heights to Rio de Mouro | 3,987.22 mi (6,416.81 km) |
| Prospect Heights to Rio Maior | 3,985.84 mi (6,414.59 km) |
| Prospect Heights to Rio Tinto | 3,939.05 mi (6,339.28 km) |
| Prospect Heights to Sabugal | 4,034.60 mi (6,493.06 km) |
| Prospect Heights to Sacavem | 3,996.86 mi (6,432.32 km) |
| Prospect Heights to Salvaterra de Magos | 4,003.89 mi (6,443.65 km) |
| Prospect Heights to Santa Comba Dao | 3,985.96 mi (6,414.78 km) |
| Prospect Heights to Santa Cruz | 3,845.98 mi (6,189.50 km) |
| Prospect Heights to Santa Iria da Azoia | 3,995.82 mi (6,430.65 km) |
