| Harmanli to Deysbrook | 1,543.11 mi (2,483.39 km) |
| Harmanli to Didcot | 1,436.22 mi (2,311.37 km) |
| Harmanli to Dingle | 1,543.00 mi (2,483.22 km) |
| Harmanli to Dinnington | 1,474.62 mi (2,373.17 km) |
| Harmanli to Dodworth | 1,491.34 mi (2,400.08 km) |
| Harmanli to Dollis Hill | 1,394.14 mi (2,243.65 km) |
| Harmanli to Doncaster | 1,476.07 mi (2,375.50 km) |
| Harmanli to Dorchester | 1,470.13 mi (2,365.95 km) |
| Harmanli to Dorking | 1,391.13 mi (2,238.81 km) |
| Harmanli to Dorridge | 1,473.11 mi (2,370.74 km) |
| Harmanli to Dover | 1,321.44 mi (2,126.66 km) |
| Harmanli to Downham Market | 1,393.65 mi (2,242.86 km) |
| Harmanli to Droitwich | 1,486.87 mi (2,392.88 km) |
| Harmanli to Dronfield | 1,483.27 mi (2,387.09 km) |
| Harmanli to Droylsden | 1,514.34 mi (2,437.09 km) |
