| Blackrock to Frederick (Maryland) | 3,376.66 mi (5,434.22 km) |
| Blackrock to Fredericksburg (Texas) | 4,676.04 mi (7,525.35 km) |
| Blackrock to Fredericksburg (Virginia) | 3,431.72 mi (5,522.82 km) |
| Blackrock to Frederickson (Washington) | 4,555.79 mi (7,331.84 km) |
| Blackrock to Freeport (Illinois) | 3,720.78 mi (5,988.02 km) |
| Blackrock to Freeport (New York) | 3,168.05 mi (5,098.49 km) |
| Blackrock to Freeport (Texas) | 4,608.68 mi (7,416.95 km) |
| Blackrock to Fremont (California) | 5,086.38 mi (8,185.75 km) |
| Blackrock to Fremont (Nebraska) | 4,015.30 mi (6,462.00 km) |
| Blackrock to Fremont (Ohio) | 3,514.49 mi (5,656.03 km) |
| Blackrock to French Valley (California) | 5,152.96 mi (8,292.88 km) |
| Blackrock to Fresno (California) | 5,060.41 mi (8,143.94 km) |
| Blackrock to Fresno (Texas) | 4,582.03 mi (7,374.07 km) |
| Blackrock to Fridley (Minnesota) | 3,723.79 mi (5,992.86 km) |
| Blackrock to Friendly (Maryland) | 3,389.42 mi (5,454.74 km) |
