| Hemel Hempstead to Deville-les-Rouen | 171.21 mi (275.53 km) |
| Hemel Hempstead to Dieppe | 143.53 mi (230.98 km) |
| Hemel Hempstead to Digne-les-Bains | 612.99 mi (986.52 km) |
| Hemel Hempstead to Dijon | 392.77 mi (632.10 km) |
| Hemel Hempstead to Dinan | 238.32 mi (383.54 km) |
| Hemel Hempstead to Dinard | 226.78 mi (364.97 km) |
| Hemel Hempstead to Divonne-les-Bains | 477.75 mi (768.86 km) |
| Hemel Hempstead to Dole | 418.51 mi (673.53 km) |
| Hemel Hempstead to Dombasle-sur-Meurthe | 370.82 mi (596.78 km) |
| Hemel Hempstead to Domerat | 396.53 mi (638.15 km) |
| Hemel Hempstead to Domont | 224.95 mi (362.03 km) |
| Hemel Hempstead to Douai | 181.24 mi (291.68 km) |
| Hemel Hempstead to Douarnenez | 305.62 mi (491.85 km) |
| Hemel Hempstead to Douchy-les-Mines | 195.48 mi (314.60 km) |
| Hemel Hempstead to Dourdan | 248.30 mi (399.60 km) |
