| Harmanli to Kenosha (Wisconsin) | 5,294.02 mi (8,519.90 km) |
| Harmanli to Kent (Ohio) | 5,121.65 mi (8,242.50 km) |
| Harmanli to Kent (Washington) | 5,964.18 mi (9,598.41 km) |
| Harmanli to Kentwood (Michigan) | 5,197.37 mi (8,364.36 km) |
| Harmanli to Kerman (California) | 6,593.08 mi (10,610.54 km) |
| Harmanli to Kernersville (North Carolina) | 5,306.60 mi (8,540.15 km) |
| Harmanli to Kerrville (Texas) | 6,357.55 mi (10,231.48 km) |
| Harmanli to Kettering (Maryland) | 5,043.89 mi (8,117.36 km) |
| Harmanli to Kettering (Ohio) | 5,297.27 mi (8,525.13 km) |
| Harmanli to Kewanee (Illinois) | 5,434.07 mi (8,745.30 km) |
| Harmanli to Key Biscayne (Florida) | 5,805.20 mi (9,342.57 km) |
| Harmanli to Key Largo (Florida) | 5,843.59 mi (9,404.36 km) |
| Harmanli to Key West (Florida) | 5,931.72 mi (9,546.19 km) |
| Harmanli to Keystone (Florida) | 5,794.33 mi (9,325.07 km) |
| Harmanli to Kihei (Hawaii) | 8,102.15 mi (13,039.14 km) |
