| Hemel Hempstead to Cutrofiano | 1,198.26 mi (1,928.41 km) |
| Hemel Hempstead to Dalmine | 622.36 mi (1,001.60 km) |
| Hemel Hempstead to Deruta | 852.45 mi (1,371.89 km) |
| Hemel Hempstead to Desenzano del Garda | 662.97 mi (1,066.95 km) |
| Hemel Hempstead to Desio | 611.37 mi (983.90 km) |
| Hemel Hempstead to Dolianova | 971.92 mi (1,564.15 km) |
| Hemel Hempstead to Dolo | 719.26 mi (1,157.54 km) |
| Hemel Hempstead to Domodossola | 555.84 mi (894.54 km) |
| Hemel Hempstead to Dorgali | 924.73 mi (1,488.22 km) |
| Hemel Hempstead to Dueville | 690.82 mi (1,111.77 km) |
| Hemel Hempstead to Eboli | 1,065.07 mi (1,714.07 km) |
| Hemel Hempstead to Elmas | 976.20 mi (1,571.04 km) |
| Hemel Hempstead to Empoli | 766.30 mi (1,233.24 km) |
| Hemel Hempstead to Enna | 1,214.21 mi (1,954.09 km) |
| Hemel Hempstead to Eraclea | 734.37 mi (1,181.85 km) |
