| Caldicot to Dover (New Jersey) | 3,367.35 mi (5,419.23 km) |
| Caldicot to Dover (Ohio) | 3,663.54 mi (5,895.89 km) |
| Caldicot to Downers Grove (Illinois) | 3,863.22 mi (6,217.25 km) |
| Caldicot to Downey (California) | 5,354.34 mi (8,616.97 km) |
| Caldicot to Dranesville (Virginia) | 3,565.23 mi (5,737.68 km) |
| Caldicot to Draper (Utah) | 4,785.19 mi (7,701.02 km) |
| Caldicot to Drexel Heights (Arizona) | 5,210.87 mi (8,386.09 km) |
| Caldicot to Drexel Hill (Pennsylvania) | 3,438.34 mi (5,533.47 km) |
| Caldicot to Duarte (California) | 5,335.78 mi (8,587.11 km) |
| Caldicot to Dublin (California) | 5,258.94 mi (8,463.44 km) |
| Caldicot to Dublin (Georgia) | 4,096.13 mi (6,592.09 km) |
| Caldicot to Dublin (Ohio) | 3,748.94 mi (6,033.34 km) |
| Caldicot to Dubuque (Iowa) | 3,933.24 mi (6,329.94 km) |
| Caldicot to Duluth (Georgia) | 4,075.50 mi (6,558.88 km) |
| Caldicot to Duluth (Minnesota) | 3,790.74 mi (6,100.61 km) |
