| London Colney to Dumas (Texas) | 4,767.24 mi (7,672.14 km) |
| London Colney to Dumont (New Jersey) | 3,438.79 mi (5,534.20 km) |
| London Colney to Duncan (Oklahoma) | 4,686.19 mi (7,541.70 km) |
| London Colney to Duncanville (Texas) | 4,745.93 mi (7,637.84 km) |
| London Colney to Dundalk (Maryland) | 3,614.42 mi (5,816.85 km) |
| London Colney to Dunedin (Florida) | 4,412.78 mi (7,101.69 km) |
| London Colney to Dunkirk (New York) | 3,585.67 mi (5,770.58 km) |
| London Colney to Dunmore (Pennsylvania) | 3,483.74 mi (5,606.53 km) |
| London Colney to Dunwoody (Georgia) | 4,182.33 mi (6,730.81 km) |
| London Colney to Durango (Colorado) | 4,901.77 mi (7,888.64 km) |
| London Colney to Durant (Oklahoma) | 4,656.28 mi (7,493.56 km) |
| London Colney to Durham (North Carolina) | 3,864.07 mi (6,218.61 km) |
| London Colney to Dyer (Indiana) | 3,947.17 mi (6,352.36 km) |
| London Colney to Dyersburg (Tennessee) | 4,281.32 mi (6,890.11 km) |
| London Colney to Eagan (Minnesota) | 4,000.54 mi (6,438.25 km) |
