| Harmanli to Diemen | 1,211.10 mi (1,949.08 km) |
| Harmanli to Doesburg | 1,157.23 mi (1,862.39 km) |
| Harmanli to Doetinchem | 1,149.36 mi (1,849.71 km) |
| Harmanli to Dokkum | 1,208.59 mi (1,945.05 km) |
| Harmanli to Dongen | 1,190.38 mi (1,915.74 km) |
| Harmanli to Doorn | 1,187.04 mi (1,910.36 km) |
| Harmanli to Dordrecht | 1,205.12 mi (1,939.45 km) |
| Harmanli to Drachten | 1,196.64 mi (1,925.80 km) |
| Harmanli to Drimmelen | 1,197.03 mi (1,926.44 km) |
| Harmanli to Dronten | 1,189.59 mi (1,914.46 km) |
| Harmanli to Druten | 1,172.79 mi (1,887.42 km) |
| Harmanli to Duiven | 1,158.72 mi (1,864.78 km) |
| Harmanli to Echt | 1,137.39 mi (1,830.46 km) |
| Harmanli to Edam | 1,214.04 mi (1,953.80 km) |
| Harmanli to Ede | 1,175.72 mi (1,892.14 km) |
