| Rhyl to Frederick (Maryland) | 3,484.01 mi (5,606.97 km) |
| Rhyl to Fredericksburg (Texas) | 4,778.70 mi (7,690.58 km) |
| Rhyl to Fredericksburg (Virginia) | 3,539.60 mi (5,696.43 km) |
| Rhyl to Frederickson (Washington) | 4,628.11 mi (7,448.22 km) |
| Rhyl to Freeport (Illinois) | 3,820.89 mi (6,149.12 km) |
| Rhyl to Freeport (New York) | 3,276.06 mi (5,272.31 km) |
| Rhyl to Freeport (Texas) | 4,713.75 mi (7,586.05 km) |
| Rhyl to Fremont (California) | 5,167.14 mi (8,315.70 km) |
| Rhyl to Fremont (Nebraska) | 4,112.19 mi (6,617.93 km) |
| Rhyl to Fremont (Ohio) | 3,618.44 mi (5,823.32 km) |
| Rhyl to French Valley (California) | 5,240.91 mi (8,434.43 km) |
| Rhyl to Fresno (California) | 5,143.70 mi (8,277.99 km) |
| Rhyl to Fresno (Texas) | 4,686.78 mi (7,542.65 km) |
| Rhyl to Fridley (Minnesota) | 3,819.55 mi (6,146.98 km) |
| Rhyl to Friendly (Maryland) | 3,497.25 mi (5,628.28 km) |
