| Penafiel to Frederick (Maryland) | 3,543.44 mi (5,702.62 km) |
| Penafiel to Fredericksburg (Texas) | 4,906.64 mi (7,896.47 km) |
| Penafiel to Fredericksburg (Virginia) | 3,581.50 mi (5,763.87 km) |
| Penafiel to Frederickson (Washington) | 5,121.50 mi (8,242.26 km) |
| Penafiel to Freeport (Illinois) | 4,021.18 mi (6,471.47 km) |
| Penafiel to Freeport (New York) | 3,324.27 mi (5,349.90 km) |
| Penafiel to Freeport (Texas) | 4,792.67 mi (7,713.06 km) |
| Penafiel to Fremont (California) | 5,576.47 mi (8,974.46 km) |
| Penafiel to Fremont (Nebraska) | 4,354.28 mi (7,007.54 km) |
| Penafiel to Fremont (Ohio) | 3,754.27 mi (6,041.91 km) |
| Penafiel to French Valley (California) | 5,572.75 mi (8,968.47 km) |
| Penafiel to Fresno (California) | 5,527.96 mi (8,896.39 km) |
| Penafiel to Fresno (Texas) | 4,773.70 mi (7,682.53 km) |
| Penafiel to Fridley (Minnesota) | 4,085.79 mi (6,575.44 km) |
| Penafiel to Friendly (Maryland) | 3,542.05 mi (5,700.38 km) |
