| Mackworth to Frederick (Maryland) | 3,568.95 mi (5,743.67 km) |
| Mackworth to Fredericksburg (Texas) | 4,863.36 mi (7,826.82 km) |
| Mackworth to Fredericksburg (Virginia) | 3,624.47 mi (5,833.01 km) |
| Mackworth to Frederickson (Washington) | 4,700.49 mi (7,564.70 km) |
| Mackworth to Freeport (Illinois) | 3,905.02 mi (6,284.52 km) |
| Mackworth to Freeport (New York) | 3,360.91 mi (5,408.85 km) |
| Mackworth to Freeport (Texas) | 4,798.71 mi (7,722.78 km) |
| Mackworth to Fremont (California) | 5,243.65 mi (8,438.84 km) |
| Mackworth to Fremont (Nebraska) | 4,195.41 mi (6,751.86 km) |
| Mackworth to Fremont (Ohio) | 3,703.30 mi (5,959.89 km) |
| Mackworth to French Valley (California) | 5,320.70 mi (8,562.84 km) |
| Mackworth to Fresno (California) | 5,221.43 mi (8,403.07 km) |
| Mackworth to Fresno (Texas) | 4,771.72 mi (7,679.35 km) |
| Mackworth to Fridley (Minnesota) | 3,902.43 mi (6,280.36 km) |
| Mackworth to Friendly (Maryland) | 3,582.13 mi (5,764.88 km) |
