| Harrow to Cutrofiano | 1,187.29 mi (1,910.76 km) |
| Harrow to Dalmine | 610.98 mi (983.28 km) |
| Harrow to Deruta | 840.91 mi (1,353.31 km) |
| Harrow to Desenzano del Garda | 651.81 mi (1,048.99 km) |
| Harrow to Desio | 599.84 mi (965.36 km) |
| Harrow to Dolianova | 959.23 mi (1,543.74 km) |
| Harrow to Dolo | 708.58 mi (1,140.35 km) |
| Harrow to Domodossola | 544.23 mi (875.86 km) |
| Harrow to Dorgali | 912.16 mi (1,467.97 km) |
| Harrow to Dueville | 680.08 mi (1,094.48 km) |
| Harrow to Eboli | 1,053.53 mi (1,695.50 km) |
| Harrow to Elmas | 963.50 mi (1,550.60 km) |
| Harrow to Empoli | 754.59 mi (1,214.40 km) |
| Harrow to Enna | 1,202.01 mi (1,934.45 km) |
| Harrow to Eraclea | 723.96 mi (1,165.11 km) |
