| Mackworth to Dixon (Illinois) | 3,920.58 mi (6,309.56 km) |
| Mackworth to Dobbs Ferry (New York) | 3,356.22 mi (5,401.31 km) |
| Mackworth to Doctor Phillips (Florida) | 4,270.07 mi (6,872.02 km) |
| Mackworth to Dodge City (Kansas) | 4,509.86 mi (7,257.92 km) |
| Mackworth to Dolton (Illinois) | 3,860.67 mi (6,213.15 km) |
| Mackworth to Donna (Texas) | 5,052.93 mi (8,131.90 km) |
| Mackworth to Dorado (Puerto Rico) | 4,160.42 mi (6,695.54 km) |
| Mackworth to Doral (Florida) | 4,358.72 mi (7,014.68 km) |
| Mackworth to Doraville (Georgia) | 4,107.21 mi (6,609.92 km) |
| Mackworth to Dothan (Alabama) | 4,286.95 mi (6,899.18 km) |
| Mackworth to Douglas (Arizona) | 5,192.97 mi (8,357.28 km) |
| Mackworth to Douglas (Georgia) | 4,170.44 mi (6,711.68 km) |
| Mackworth to Douglasville (Georgia) | 4,132.91 mi (6,651.27 km) |
| Mackworth to Dover (Delaware) | 3,505.85 mi (5,642.11 km) |
| Mackworth to Dover (New Hampshire) | 3,142.75 mi (5,057.76 km) |
