| London Colney to Dewsbury | 146.78 mi (236.22 km) |
| London Colney to Deysbrook | 161.46 mi (259.85 km) |
| London Colney to Didcot | 41.17 mi (66.26 km) |
| London Colney to Dingle | 159.73 mi (257.06 km) |
| London Colney to Dinnington | 119.50 mi (192.32 km) |
| London Colney to Dodworth | 135.50 mi (218.07 km) |
| London Colney to Dollis Hill | 11.54 mi (18.57 km) |
| London Colney to Doncaster | 129.00 mi (207.60 km) |
| London Colney to Dorchester | 115.86 mi (186.46 km) |
| London Colney to Dorking | 34.12 mi (54.92 km) |
| London Colney to Dorridge | 76.26 mi (122.74 km) |
| London Colney to Dover | 80.64 mi (129.77 km) |
| London Colney to Downham Market | 67.10 mi (107.98 km) |
| London Colney to Droitwich | 87.24 mi (140.40 km) |
| London Colney to Dronfield | 119.45 mi (192.23 km) |
