| Estoril to Dover (New Jersey) | 3,379.99 mi (5,439.56 km) |
| Estoril to Dover (Ohio) | 3,725.91 mi (5,996.28 km) |
| Estoril to Downers Grove (Illinois) | 3,999.79 mi (6,437.04 km) |
| Estoril to Downey (California) | 5,657.66 mi (9,105.12 km) |
| Estoril to Dranesville (Virginia) | 3,566.15 mi (5,739.16 km) |
| Estoril to Draper (Utah) | 5,103.17 mi (8,212.75 km) |
| Estoril to Drexel Heights (Arizona) | 5,424.19 mi (8,729.39 km) |
| Estoril to Drexel Hill (Pennsylvania) | 3,439.36 mi (5,535.12 km) |
| Estoril to Duarte (California) | 5,639.68 mi (9,076.19 km) |
| Estoril to Dublin (California) | 5,637.12 mi (9,072.06 km) |
| Estoril to Dublin (Georgia) | 4,040.40 mi (6,502.40 km) |
| Estoril to Dublin (Ohio) | 3,817.85 mi (6,144.23 km) |
| Estoril to Dubuque (Iowa) | 4,102.53 mi (6,602.39 km) |
| Estoril to Duluth (Georgia) | 4,054.18 mi (6,524.57 km) |
| Estoril to Duluth (Minnesota) | 4,038.83 mi (6,499.87 km) |
