| Harmanli to Dieppe | 1,306.20 mi (2,102.13 km) |
| Harmanli to Digne-les-Bains | 1,002.14 mi (1,612.79 km) |
| Harmanli to Dijon | 1,088.17 mi (1,751.25 km) |
| Harmanli to Dinan | 1,424.24 mi (2,292.09 km) |
| Harmanli to Dinard | 1,426.49 mi (2,295.71 km) |
| Harmanli to Divonne-les-Bains | 1,022.98 mi (1,646.33 km) |
| Harmanli to Dole | 1,063.16 mi (1,711.00 km) |
| Harmanli to Dombasle-sur-Meurthe | 1,052.90 mi (1,694.47 km) |
| Harmanli to Domerat | 1,193.27 mi (1,920.38 km) |
| Harmanli to Domont | 1,236.21 mi (1,989.48 km) |
| Harmanli to Douai | 1,231.07 mi (1,981.21 km) |
| Harmanli to Douarnenez | 1,525.63 mi (2,455.26 km) |
| Harmanli to Douchy-les-Mines | 1,216.43 mi (1,957.65 km) |
| Harmanli to Dourdan | 1,242.15 mi (1,999.05 km) |
| Harmanli to Draguignan | 990.13 mi (1,593.47 km) |
