| Hennef to Fortuna Foothills (Arizona) | 5,668.04 mi (9,121.83 km) |
| Hennef to Foster City (California) | 5,609.98 mi (9,028.40 km) |
| Hennef to Fostoria (Ohio) | 4,126.64 mi (6,641.18 km) |
| Hennef to Fountain (Colorado) | 5,013.48 mi (8,068.41 km) |
| Hennef to Fountain Hills (Arizona) | 5,528.65 mi (8,897.50 km) |
| Hennef to Fountain Inn (South Carolina) | 4,389.51 mi (7,064.24 km) |
| Hennef to Fountain Valley (California) | 5,716.03 mi (9,199.07 km) |
| Hennef to Fountainebleau (Florida) | 4,758.76 mi (7,658.48 km) |
| Hennef to Four Corners (Oregon) | 5,185.77 mi (8,345.69 km) |
| Hennef to Four Corners (Texas) | 5,175.23 mi (8,328.73 km) |
| Hennef to Four Square Mile (Colorado) | 4,966.20 mi (7,992.32 km) |
| Hennef to Fox Crossing (Wisconsin) | 4,168.93 mi (6,709.25 km) |
| Hennef to Fox Lake (Illinois) | 4,244.59 mi (6,831.01 km) |
| Hennef to Framingham (Massachusetts) | 3,606.37 mi (5,803.90 km) |
| Hennef to Franconia (Virginia) | 3,993.59 mi (6,427.06 km) |
