| Hennef to Kenosha (Wisconsin) | 4,225.54 mi (6,800.35 km) |
| Hennef to Kent (Ohio) | 4,048.58 mi (6,515.56 km) |
| Hennef to Kent (Washington) | 5,020.72 mi (8,080.07 km) |
| Hennef to Kentwood (Michigan) | 4,127.26 mi (6,642.19 km) |
| Hennef to Kerman (California) | 5,598.82 mi (9,010.43 km) |
| Hennef to Kernersville (North Carolina) | 4,236.35 mi (6,817.74 km) |
| Hennef to Kerrville (Texas) | 5,286.75 mi (8,508.20 km) |
| Hennef to Kettering (Maryland) | 3,973.20 mi (6,394.25 km) |
| Hennef to Kettering (Ohio) | 4,224.31 mi (6,798.37 km) |
| Hennef to Kewanee (Illinois) | 4,365.86 mi (7,026.18 km) |
| Hennef to Key Biscayne (Florida) | 4,755.28 mi (7,652.89 km) |
| Hennef to Key Largo (Florida) | 4,794.63 mi (7,716.21 km) |
| Hennef to Key West (Florida) | 4,880.75 mi (7,854.81 km) |
| Hennef to Keystone (Florida) | 4,733.19 mi (7,617.34 km) |
| Hennef to Kihei (Hawaii) | 7,394.84 mi (11,900.85 km) |
