| Rickmansworth to Dallas (Texas) | 4,728.96 mi (7,610.52 km) |
| Rickmansworth to Dalton (Georgia) | 4,164.03 mi (6,701.36 km) |
| Rickmansworth to Daly City (California) | 5,344.07 mi (8,600.44 km) |
| Rickmansworth to Damascus (Maryland) | 3,638.12 mi (5,854.98 km) |
| Rickmansworth to Damascus (Oregon) | 4,896.09 mi (7,879.50 km) |
| Rickmansworth to Dana Point (California) | 5,439.07 mi (8,753.34 km) |
| Rickmansworth to Danbury (Connecticut) | 3,393.10 mi (5,460.66 km) |
| Rickmansworth to Dania Beach (Florida) | 4,396.40 mi (7,075.32 km) |
| Rickmansworth to Danville (California) | 5,322.01 mi (8,564.94 km) |
| Rickmansworth to Danville (Illinois) | 4,011.06 mi (6,455.18 km) |
| Rickmansworth to Danville (Indiana) | 3,986.18 mi (6,415.14 km) |
| Rickmansworth to Danville (Kentucky) | 4,018.31 mi (6,466.85 km) |
| Rickmansworth to Danville (Virginia) | 3,851.51 mi (6,198.40 km) |
| Rickmansworth to Daphne (Alabama) | 4,487.07 mi (7,221.24 km) |
| Rickmansworth to Darby (Pennsylvania) | 3,530.37 mi (5,681.58 km) |
