| London Colney to Dardenne Prairie (Missouri) | 4,201.08 mi (6,760.98 km) |
| London Colney to Darien (Illinois) | 3,953.62 mi (6,362.74 km) |
| London Colney to Davenport (Iowa) | 4,061.40 mi (6,536.19 km) |
| London Colney to Davidson (North Carolina) | 3,966.10 mi (6,382.83 km) |
| London Colney to Davie (Florida) | 4,406.62 mi (7,091.77 km) |
| London Colney to Davis (California) | 5,272.54 mi (8,485.33 km) |
| London Colney to Dayton (Nevada) | 5,167.53 mi (8,316.34 km) |
| London Colney to Dayton (Ohio) | 3,899.20 mi (6,275.15 km) |
| London Colney to Daytona Beach (Florida) | 4,283.84 mi (6,894.18 km) |
| London Colney to De Pere (Wisconsin) | 3,833.16 mi (6,168.87 km) |
| London Colney to De Witt (New York) | 3,433.25 mi (5,525.29 km) |
| London Colney to Dearborn (Michigan) | 3,744.67 mi (6,026.47 km) |
| London Colney to Dearborn Heights (Michigan) | 3,746.98 mi (6,030.18 km) |
| London Colney to DeBary (Florida) | 4,309.15 mi (6,934.90 km) |
| London Colney to Decatur (Alabama) | 4,259.27 mi (6,854.63 km) |
