| Boone to Kenosha (Wisconsin) | 551.00 mi (886.75 km) |
| Boone to Kent (Ohio) | 341.57 mi (549.71 km) |
| Boone to Kent (Washington) | 2,197.35 mi (3,536.30 km) |
| Boone to Kentwood (Michigan) | 506.19 mi (814.64 km) |
| Boone to Kerman (California) | 2,119.20 mi (3,410.53 km) |
| Boone to Kernersville (North Carolina) | 88.59 mi (142.56 km) |
| Boone to Kerrville (Texas) | 1,094.76 mi (1,761.85 km) |
| Boone to Kettering (Maryland) | 324.93 mi (522.92 km) |
| Boone to Kettering (Ohio) | 276.11 mi (444.36 km) |
| Boone to Kewanee (Illinois) | 564.30 mi (908.15 km) |
| Boone to Key Biscayne (Florida) | 732.28 mi (1,178.48 km) |
| Boone to Key Largo (Florida) | 769.75 mi (1,238.80 km) |
| Boone to Key West (Florida) | 804.75 mi (1,295.12 km) |
| Boone to Keystone (Florida) | 560.92 mi (902.71 km) |
| Boone to Kihei (Hawaii) | 4,556.73 mi (7,333.35 km) |
