| Hennef to Kaneohe (Hawaii) | 7,366.67 mi (11,855.50 km) |
| Hennef to Kankakee (Illinois) | 4,296.73 mi (6,914.91 km) |
| Hennef to Kannapolis (North Carolina) | 4,289.05 mi (6,902.56 km) |
| Hennef to Kansas City (Kansas) | 4,646.75 mi (7,478.22 km) |
| Hennef to Kansas City (Missouri) | 4,639.89 mi (7,467.19 km) |
| Hennef to Kapaa (Hawaii) | 7,336.11 mi (11,806.33 km) |
| Hennef to Kapolei (Hawaii) | 7,374.19 mi (11,867.61 km) |
| Hennef to Katy (Texas) | 5,175.57 mi (8,329.28 km) |
| Hennef to Kaukauna (Wisconsin) | 4,158.73 mi (6,692.83 km) |
| Hennef to Kaysville (Utah) | 5,112.71 mi (8,228.11 km) |
| Hennef to Kearney (Missouri) | 4,621.08 mi (7,436.91 km) |
| Hennef to Kearney (Nebraska) | 4,717.29 mi (7,591.74 km) |
| Hennef to Kearns (Utah) | 5,135.97 mi (8,265.54 km) |
| Hennef to Kearny (New Jersey) | 3,781.85 mi (6,086.30 km) |
| Hennef to Keene (New Hampshire) | 3,613.41 mi (5,815.23 km) |
