| Castricum to Frederick (Maryland) | 3,822.35 mi (6,151.48 km) |
| Castricum to Fredericksburg (Texas) | 5,106.65 mi (8,218.36 km) |
| Castricum to Fredericksburg (Virginia) | 3,878.88 mi (6,242.46 km) |
| Castricum to Frederickson (Washington) | 4,877.93 mi (7,850.28 km) |
| Castricum to Freeport (Illinois) | 4,143.56 mi (6,668.42 km) |
| Castricum to Freeport (New York) | 3,615.64 mi (5,818.82 km) |
| Castricum to Freeport (Texas) | 5,047.11 mi (8,122.54 km) |
| Castricum to Fremont (California) | 5,438.60 mi (8,752.59 km) |
| Castricum to Fremont (Nebraska) | 4,426.98 mi (7,124.53 km) |
| Castricum to Fremont (Ohio) | 3,949.86 mi (6,356.69 km) |
| Castricum to French Valley (California) | 5,531.53 mi (8,902.14 km) |
| Castricum to Fresno (California) | 5,422.08 mi (8,726.00 km) |
| Castricum to Fresno (Texas) | 5,019.45 mi (8,078.03 km) |
| Castricum to Fridley (Minnesota) | 4,131.96 mi (6,649.75 km) |
| Castricum to Friendly (Maryland) | 3,836.47 mi (6,174.20 km) |
