| Hennef to Frederick (Maryland) | 3,973.12 mi (6,394.12 km) |
| Hennef to Fredericksburg (Texas) | 5,264.96 mi (8,473.13 km) |
| Hennef to Fredericksburg (Virginia) | 4,028.49 mi (6,483.23 km) |
| Hennef to Frederickson (Washington) | 5,041.91 mi (8,114.16 km) |
| Hennef to Freeport (Illinois) | 4,303.90 mi (6,926.46 km) |
| Hennef to Freeport (New York) | 3,764.87 mi (6,058.97 km) |
| Hennef to Freeport (Texas) | 5,202.30 mi (8,372.29 km) |
| Hennef to Fremont (California) | 5,604.09 mi (9,018.91 km) |
| Hennef to Fremont (Nebraska) | 4,589.58 mi (7,386.21 km) |
| Hennef to Fremont (Ohio) | 4,106.22 mi (6,608.32 km) |
| Hennef to French Valley (California) | 5,697.12 mi (9,168.63 km) |
| Hennef to Fresno (California) | 5,587.78 mi (8,992.66 km) |
| Hennef to Fresno (Texas) | 5,175.11 mi (8,328.54 km) |
| Hennef to Fridley (Minnesota) | 4,295.03 mi (6,912.19 km) |
| Hennef to Friendly (Maryland) | 3,986.17 mi (6,415.11 km) |
