| Rickmansworth to Decatur (Georgia) | 4,185.20 mi (6,735.42 km) |
| Rickmansworth to Decatur (Illinois) | 4,075.59 mi (6,559.03 km) |
| Rickmansworth to Deer Park (New York) | 3,414.49 mi (5,495.09 km) |
| Rickmansworth to Deer Park (Texas) | 4,825.36 mi (7,765.66 km) |
| Rickmansworth to Deerfield (Illinois) | 3,925.59 mi (6,317.62 km) |
| Rickmansworth to Deerfield Beach (Florida) | 4,382.46 mi (7,052.89 km) |
| Rickmansworth to Defiance (Ohio) | 3,832.39 mi (6,167.64 km) |
| Rickmansworth to DeForest (Wisconsin) | 3,932.27 mi (6,328.37 km) |
| Rickmansworth to DeKalb (Illinois) | 3,970.45 mi (6,389.83 km) |
| Rickmansworth to Del Aire (California) | 5,435.41 mi (8,747.44 km) |
| Rickmansworth to Del City (Oklahoma) | 4,617.93 mi (7,431.84 km) |
| Rickmansworth to Del Rio (Texas) | 5,066.82 mi (8,154.26 km) |
| Rickmansworth to DeLand (Florida) | 4,294.96 mi (6,912.07 km) |
| Rickmansworth to Delano (California) | 5,357.68 mi (8,622.35 km) |
| Rickmansworth to Delaware (Ohio) | 3,827.47 mi (6,159.71 km) |
