| Rickmansworth to Desert Hot Springs (California) | 5,374.08 mi (8,648.75 km) |
| Rickmansworth to DeSoto (Texas) | 4,742.73 mi (7,632.69 km) |
| Rickmansworth to Destin (Florida) | 4,441.07 mi (7,147.21 km) |
| Rickmansworth to Destrehan (Louisiana) | 4,621.50 mi (7,437.58 km) |
| Rickmansworth to Detroit (Michigan) | 3,733.35 mi (6,008.25 km) |
| Rickmansworth to Diamond Bar (California) | 5,412.90 mi (8,711.22 km) |
| Rickmansworth to Diamond Springs (California) | 5,237.54 mi (8,429.01 km) |
| Rickmansworth to Dickinson (North Dakota) | 4,227.82 mi (6,804.02 km) |
| Rickmansworth to Dickinson (Texas) | 4,835.35 mi (7,781.74 km) |
| Rickmansworth to Dickson (Tennessee) | 4,196.98 mi (6,754.39 km) |
| Rickmansworth to Difficult Run (Virginia) | 3,660.87 mi (5,891.60 km) |
| Rickmansworth to Dinuba (California) | 5,317.19 mi (8,557.18 km) |
| Rickmansworth to Discovery Bay (California) | 5,305.54 mi (8,538.44 km) |
| Rickmansworth to Dix Hills (New York) | 3,413.36 mi (5,493.27 km) |
| Rickmansworth to Dixon (California) | 5,280.92 mi (8,498.83 km) |
