| Mackworth to Dallas (Texas) | 4,649.78 mi (7,483.10 km) |
| Mackworth to Dalton (Georgia) | 4,092.26 mi (6,585.86 km) |
| Mackworth to Daly City (California) | 5,248.49 mi (8,446.63 km) |
| Mackworth to Damascus (Maryland) | 3,567.80 mi (5,741.81 km) |
| Mackworth to Damascus (Oregon) | 4,798.56 mi (7,722.54 km) |
| Mackworth to Dana Point (California) | 5,346.86 mi (8,604.94 km) |
| Mackworth to Danbury (Connecticut) | 3,323.09 mi (5,348.00 km) |
| Mackworth to Dania Beach (Florida) | 4,338.15 mi (6,981.58 km) |
| Mackworth to Danville (California) | 5,226.57 mi (8,411.35 km) |
| Mackworth to Danville (Illinois) | 3,932.19 mi (6,328.24 km) |
| Mackworth to Danville (Indiana) | 3,908.42 mi (6,289.99 km) |
| Mackworth to Danville (Kentucky) | 3,943.85 mi (6,347.02 km) |
| Mackworth to Danville (Virginia) | 3,782.46 mi (6,087.28 km) |
| Mackworth to Daphne (Alabama) | 4,416.81 mi (7,108.18 km) |
| Mackworth to Darby (Pennsylvania) | 3,460.82 mi (5,569.65 km) |
