| Didcot to Dover (New Jersey) | 3,428.73 mi (5,518.01 km) |
| Didcot to Dover (Ohio) | 3,723.37 mi (5,992.18 km) |
| Didcot to Downers Grove (Illinois) | 3,920.60 mi (6,309.60 km) |
| Didcot to Downey (California) | 5,402.98 mi (8,695.26 km) |
| Didcot to Dranesville (Virginia) | 3,626.65 mi (5,836.53 km) |
| Didcot to Draper (Utah) | 4,833.91 mi (7,779.42 km) |
| Didcot to Drexel Heights (Arizona) | 5,263.72 mi (8,471.14 km) |
| Didcot to Drexel Hill (Pennsylvania) | 3,499.89 mi (5,632.53 km) |
| Didcot to Duarte (California) | 5,384.42 mi (8,665.39 km) |
| Didcot to Dublin (California) | 5,303.86 mi (8,535.74 km) |
| Didcot to Dublin (Georgia) | 4,158.25 mi (6,692.06 km) |
| Didcot to Dublin (Ohio) | 3,808.49 mi (6,129.18 km) |
| Didcot to Dubuque (Iowa) | 3,989.41 mi (6,420.34 km) |
| Didcot to Duluth (Georgia) | 4,136.93 mi (6,657.74 km) |
| Didcot to Duluth (Minnesota) | 3,844.12 mi (6,186.52 km) |
