| Castricum to Florence (South Carolina) | 4,170.36 mi (6,711.55 km) |
| Castricum to Florence-Graham (California) | 5,543.89 mi (8,922.02 km) |
| Castricum to Florham Park (New Jersey) | 3,641.79 mi (5,860.89 km) |
| Castricum to Florida (Puerto Rico) | 4,433.14 mi (7,134.45 km) |
| Castricum to Florida City (Florida) | 4,642.65 mi (7,471.62 km) |
| Castricum to Florida Ridge (Florida) | 4,528.39 mi (7,287.73 km) |
| Castricum to Florin (California) | 5,365.57 mi (8,635.05 km) |
| Castricum to Florissant (Missouri) | 4,343.07 mi (6,989.49 km) |
| Castricum to Flower Hill (Maryland) | 3,825.81 mi (6,157.05 km) |
| Castricum to Flower Mound (Texas) | 4,892.52 mi (7,873.75 km) |
| Castricum to Flowing Wells (Arizona) | 5,415.56 mi (8,715.50 km) |
| Castricum to Foley (Alabama) | 4,673.69 mi (7,521.58 km) |
| Castricum to Folsom (California) | 5,347.48 mi (8,605.94 km) |
| Castricum to Fond du Lac (Wisconsin) | 4,028.45 mi (6,483.16 km) |
| Castricum to Fontana (California) | 5,512.90 mi (8,872.16 km) |
