| Delaware to Quarteira | 3,924.40 mi (6,315.72 km) |
| Delaware to Queluz | 3,814.36 mi (6,138.63 km) |
| Delaware to Reguengos de Monsaraz | 3,908.15 mi (6,289.56 km) |
| Delaware to Resende | 3,803.86 mi (6,121.72 km) |
| Delaware to Ribeira Brava | 3,620.93 mi (5,827.32 km) |
| Delaware to Ribeira Grande | 3,037.89 mi (4,889.01 km) |
| Delaware to Rio de Mouro | 3,810.63 mi (6,132.62 km) |
| Delaware to Rio Maior | 3,812.23 mi (6,135.19 km) |
| Delaware to Rio Tinto | 3,773.77 mi (6,073.30 km) |
| Delaware to Sabugal | 3,868.36 mi (6,225.53 km) |
| Delaware to Sacavem | 3,820.76 mi (6,148.92 km) |
| Delaware to Salvaterra de Magos | 3,829.25 mi (6,162.59 km) |
| Delaware to Santa Comba Dao | 3,818.15 mi (6,144.72 km) |
| Delaware to Santa Cruz | 3,633.72 mi (5,847.90 km) |
| Delaware to Santa Iria da Azoia | 3,819.96 mi (6,147.64 km) |
