| Castricum to Friendswood (Texas) | 5,010.54 mi (8,063.68 km) |
| Castricum to Frisco (Texas) | 4,875.30 mi (7,846.03 km) |
| Castricum to Front Royal (Virginia) | 3,876.42 mi (6,238.49 km) |
| Castricum to Fruit Cove (Florida) | 4,449.10 mi (7,160.13 km) |
| Castricum to Fruita (Colorado) | 4,953.84 mi (7,972.43 km) |
| Castricum to Fruitville (Florida) | 4,625.59 mi (7,444.17 km) |
| Castricum to Fuller Heights (Florida) | 4,576.25 mi (7,364.76 km) |
| Castricum to Fullerton (California) | 5,539.43 mi (8,914.85 km) |
| Castricum to Fullerton (Pennsylvania) | 3,691.14 mi (5,940.32 km) |
| Castricum to Fulshear (Texas) | 5,026.44 mi (8,089.28 km) |
| Castricum to Fulton (Missouri) | 4,399.46 mi (7,080.25 km) |
| Castricum to Fulton (New York) | 3,605.18 mi (5,801.97 km) |
| Castricum to Fuquay-Varina (North Carolina) | 4,060.34 mi (6,534.48 km) |
| Castricum to Gadsden (Alabama) | 4,423.47 mi (7,118.89 km) |
| Castricum to Gaffney (South Carolina) | 4,199.69 mi (6,758.75 km) |
