| Harmanli to Kinston (North Carolina) | 5,241.77 mi (8,435.82 km) |
| Harmanli to Kirkland (Washington) | 5,944.47 mi (9,566.70 km) |
| Harmanli to Kirksville (Missouri) | 5,580.62 mi (8,981.13 km) |
| Harmanli to Kirkwood (Missouri) | 5,586.81 mi (8,991.11 km) |
| Harmanli to Kiryas Joel (New York) | 4,829.08 mi (7,771.66 km) |
| Harmanli to Kissimmee (Florida) | 5,734.63 mi (9,228.99 km) |
| Harmanli to Klamath Falls (Oregon) | 6,283.72 mi (10,112.66 km) |
| Harmanli to Knightdale (North Carolina) | 5,255.71 mi (8,458.25 km) |
| Harmanli to Knik-Fairview (Alaska) | 5,285.28 mi (8,505.83 km) |
| Harmanli to Knoxville (Tennessee) | 5,469.42 mi (8,802.19 km) |
| Harmanli to Kokomo (Indiana) | 5,334.57 mi (8,585.17 km) |
| Harmanli to Kuna (Idaho) | 6,088.16 mi (9,797.94 km) |
| Harmanli to Kyle (Texas) | 6,314.29 mi (10,161.86 km) |
| Harmanli to La Cañada Flintridge (California) | 6,705.11 mi (10,790.83 km) |
| Harmanli to La Crescenta-Montrose (California) | 6,704.59 mi (10,790.00 km) |
