| Blackrock to Fortuna Foothills (Arizona) | 5,113.86 mi (8,229.95 km) |
| Blackrock to Foster City (California) | 5,093.37 mi (8,196.99 km) |
| Blackrock to Fostoria (Ohio) | 3,534.92 mi (5,688.90 km) |
| Blackrock to Fountain (Colorado) | 4,449.10 mi (7,160.14 km) |
| Blackrock to Fountain Hills (Arizona) | 4,969.53 mi (7,997.69 km) |
| Blackrock to Fountain Inn (South Carolina) | 3,792.75 mi (6,103.84 km) |
| Blackrock to Fountain Valley (California) | 5,174.74 mi (8,327.93 km) |
| Blackrock to Fountainebleau (Florida) | 4,166.44 mi (6,705.24 km) |
| Blackrock to Four Corners (Oregon) | 4,694.46 mi (7,555.00 km) |
| Blackrock to Four Corners (Texas) | 4,582.42 mi (7,374.70 km) |
| Blackrock to Four Square Mile (Colorado) | 4,404.64 mi (7,088.58 km) |
| Blackrock to Fox Crossing (Wisconsin) | 3,588.12 mi (5,774.53 km) |
| Blackrock to Fox Lake (Illinois) | 3,659.83 mi (5,889.94 km) |
| Blackrock to Framingham (Massachusetts) | 3,009.63 mi (4,843.53 km) |
| Blackrock to Franconia (Virginia) | 3,396.87 mi (5,466.74 km) |
