| Blackburn to Frederick (Maryland) | 3,515.40 mi (5,657.49 km) |
| Blackburn to Fredericksburg (Texas) | 4,804.64 mi (7,732.31 km) |
| Blackburn to Fredericksburg (Virginia) | 3,571.68 mi (5,748.07 km) |
| Blackburn to Frederickson (Washington) | 4,631.96 mi (7,454.42 km) |
| Blackburn to Freeport (Illinois) | 3,844.54 mi (6,187.20 km) |
| Blackburn to Freeport (New York) | 3,308.38 mi (5,324.32 km) |
| Blackburn to Freeport (Texas) | 4,742.23 mi (7,631.88 km) |
| Blackburn to Fremont (California) | 5,176.07 mi (8,330.08 km) |
| Blackburn to Fremont (Nebraska) | 4,133.01 mi (6,651.44 km) |
| Blackburn to Fremont (Ohio) | 3,645.86 mi (5,867.45 km) |
| Blackburn to French Valley (California) | 5,254.70 mi (8,456.62 km) |
| Blackburn to Fresno (California) | 5,154.31 mi (8,295.06 km) |
| Blackburn to Fresno (Texas) | 4,714.91 mi (7,587.91 km) |
| Blackburn to Fridley (Minnesota) | 3,839.52 mi (6,179.10 km) |
| Blackburn to Friendly (Maryland) | 3,529.29 mi (5,679.84 km) |
