| Hemel Hempstead to Dabrowa Gornicza | 857.07 mi (1,379.32 km) |
| Hemel Hempstead to Dabrowa Tarnowska | 936.57 mi (1,507.26 km) |
| Hemel Hempstead to Darlowo | 722.34 mi (1,162.49 km) |
| Hemel Hempstead to Debica | 957.22 mi (1,540.49 km) |
| Hemel Hempstead to Deblin | 953.45 mi (1,534.42 km) |
| Hemel Hempstead to Debno | 644.11 mi (1,036.60 km) |
| Hemel Hempstead to Dobre Miasto | 880.44 mi (1,416.93 km) |
| Hemel Hempstead to Drawsko Pomorskie | 691.49 mi (1,112.85 km) |
| Hemel Hempstead to Drezdenko | 691.45 mi (1,112.79 km) |
| Hemel Hempstead to Dzialdowo | 871.72 mi (1,402.89 km) |
| Hemel Hempstead to Dzierzoniow | 742.21 mi (1,194.47 km) |
| Hemel Hempstead to Elblag | 840.64 mi (1,352.88 km) |
| Hemel Hempstead to Elk | 960.39 mi (1,545.60 km) |
| Hemel Hempstead to Garwolin | 940.26 mi (1,513.21 km) |
| Hemel Hempstead to Gdansk | 811.16 mi (1,305.44 km) |
