| Hennef to Kinston (North Carolina) | 4,175.20 mi (6,719.33 km) |
| Hennef to Kirkland (Washington) | 5,002.25 mi (8,050.34 km) |
| Hennef to Kirksville (Missouri) | 4,513.93 mi (7,264.47 km) |
| Hennef to Kirkwood (Missouri) | 4,516.10 mi (7,267.97 km) |
| Hennef to Kiryas Joel (New York) | 3,757.65 mi (6,047.35 km) |
| Hennef to Kissimmee (Florida) | 4,675.37 mi (7,524.28 km) |
| Hennef to Klamath Falls (Oregon) | 5,317.64 mi (8,557.92 km) |
| Hennef to Knightdale (North Carolina) | 4,187.32 mi (6,738.85 km) |
| Hennef to Knik-Fairview (Alaska) | 4,574.24 mi (7,361.53 km) |
| Hennef to Knoxville (Tennessee) | 4,396.94 mi (7,076.19 km) |
| Hennef to Kokomo (Indiana) | 4,262.66 mi (6,860.09 km) |
| Hennef to Kuna (Idaho) | 5,099.73 mi (8,207.23 km) |
| Hennef to Kyle (Texas) | 5,242.53 mi (8,437.04 km) |
| Hennef to La Cañada Flintridge (California) | 5,693.99 mi (9,163.59 km) |
| Hennef to La Crescenta-Montrose (California) | 5,693.70 mi (9,163.13 km) |
