| Hemel Hempstead to Dobrova | 780.18 mi (1,255.58 km) |
| Hemel Hempstead to Dobrovnik | 834.47 mi (1,342.94 km) |
| Hemel Hempstead to Dobrovo | 748.26 mi (1,204.20 km) |
| Hemel Hempstead to Dol | 787.68 mi (1,267.65 km) |
| Hemel Hempstead to Dolenjske Toplice | 817.37 mi (1,315.43 km) |
| Hemel Hempstead to Domzale | 783.79 mi (1,261.39 km) |
| Hemel Hempstead to Dornava | 826.40 mi (1,329.96 km) |
| Hemel Hempstead to Dragomer | 780.31 mi (1,255.79 km) |
| Hemel Hempstead to Dravograd | 783.36 mi (1,260.69 km) |
| Hemel Hempstead to Gorenja Vas | 767.55 mi (1,235.25 km) |
| Hemel Hempstead to Gorisnica | 829.64 mi (1,335.18 km) |
| Hemel Hempstead to Gornja Radgona | 819.21 mi (1,318.40 km) |
| Hemel Hempstead to Gornji Grad | 785.90 mi (1,264.78 km) |
| Hemel Hempstead to Gornji Petrovci | 823.71 mi (1,325.63 km) |
| Hemel Hempstead to Grad | 819.14 mi (1,318.27 km) |
