| Penwortham to Frederick (Maryland) | 3,506.20 mi (5,642.68 km) |
| Penwortham to Fredericksburg (Texas) | 4,795.94 mi (7,718.32 km) |
| Penwortham to Fredericksburg (Virginia) | 3,562.43 mi (5,733.17 km) |
| Penwortham to Frederickson (Washington) | 4,626.14 mi (7,445.05 km) |
| Penwortham to Freeport (Illinois) | 3,836.08 mi (6,173.58 km) |
| Penwortham to Freeport (New York) | 3,299.10 mi (5,309.39 km) |
| Penwortham to Freeport (Texas) | 4,733.29 mi (7,617.49 km) |
| Penwortham to Fremont (California) | 5,169.49 mi (8,319.49 km) |
| Penwortham to Fremont (Nebraska) | 4,124.87 mi (6,638.34 km) |
| Penwortham to Fremont (Ohio) | 3,637.01 mi (5,853.21 km) |
| Penwortham to French Valley (California) | 5,247.45 mi (8,444.95 km) |
| Penwortham to Fresno (California) | 5,147.50 mi (8,284.09 km) |
| Penwortham to Fresno (Texas) | 4,706.00 mi (7,573.57 km) |
| Penwortham to Fridley (Minnesota) | 3,831.47 mi (6,166.16 km) |
| Penwortham to Friendly (Maryland) | 3,520.03 mi (5,664.95 km) |
