| Castricum to Willow Grove (Pennsylvania) | 3,699.10 mi (5,953.12 km) |
| Castricum to Willowbrook (California) | 5,546.41 mi (8,926.09 km) |
| Castricum to Willowick (Ohio) | 3,874.57 mi (6,235.52 km) |
| Castricum to Wilmette (Illinois) | 4,085.24 mi (6,574.56 km) |
| Castricum to Wilmington (Delaware) | 3,734.55 mi (6,010.18 km) |
| Castricum to Wilmington (North Carolina) | 4,092.75 mi (6,586.65 km) |
| Castricum to Wilmington (Ohio) | 4,068.64 mi (6,547.84 km) |
| Castricum to Wilmington Island (Georgia) | 4,326.50 mi (6,962.83 km) |
| Castricum to Wilson (North Carolina) | 4,019.95 mi (6,469.48 km) |
| Castricum to Wilsonville (Oregon) | 4,993.72 mi (8,036.62 km) |
| Castricum to Wilton Manors (Florida) | 4,591.87 mi (7,389.90 km) |
| Castricum to Wimauma (Florida) | 4,600.33 mi (7,403.52 km) |
| Castricum to Winchester (Kentucky) | 4,153.19 mi (6,683.92 km) |
| Castricum to Winchester (Nevada) | 5,323.73 mi (8,567.72 km) |
| Castricum to Winchester (Virginia) | 3,864.33 mi (6,219.03 km) |
