| Harmanli to Dardenne Prairie (Missouri) | 5,589.09 mi (8,994.76 km) |
| Harmanli to Darien (Illinois) | 5,339.39 mi (8,592.91 km) |
| Harmanli to Davenport (Iowa) | 5,442.01 mi (8,758.07 km) |
| Harmanli to Davidson (North Carolina) | 5,366.28 mi (8,636.20 km) |
| Harmanli to Davie (Florida) | 5,791.99 mi (9,321.31 km) |
| Harmanli to Davis (California) | 6,515.12 mi (10,485.07 km) |
| Harmanli to Dayton (Nevada) | 6,422.81 mi (10,336.51 km) |
| Harmanli to Dayton (Ohio) | 5,295.13 mi (8,521.69 km) |
| Harmanli to Daytona Beach (Florida) | 5,677.65 mi (9,137.30 km) |
| Harmanli to De Pere (Wisconsin) | 5,210.22 mi (8,385.03 km) |
| Harmanli to De Witt (New York) | 4,831.91 mi (7,776.21 km) |
| Harmanli to Dearborn (Michigan) | 5,137.20 mi (8,267.52 km) |
| Harmanli to Dearborn Heights (Michigan) | 5,139.40 mi (8,271.07 km) |
| Harmanli to DeBary (Florida) | 5,702.74 mi (9,177.68 km) |
| Harmanli to Decatur (Alabama) | 5,658.55 mi (9,106.56 km) |
