| Castricum to Ansonia (Connecticut) | 3,563.94 mi (5,735.61 km) |
| Castricum to Antelope (California) | 5,350.54 mi (8,610.86 km) |
| Castricum to Anthem (Arizona) | 5,361.66 mi (8,628.75 km) |
| Castricum to Antioch (California) | 5,406.39 mi (8,700.75 km) |
| Castricum to Antioch (Illinois) | 4,078.31 mi (6,563.41 km) |
| Castricum to Apache Junction (Arizona) | 5,369.26 mi (8,640.99 km) |
| Castricum to Apex (North Carolina) | 4,057.89 mi (6,530.54 km) |
| Castricum to Apollo Beach (Florida) | 4,600.87 mi (7,404.38 km) |
| Castricum to Apopka (Florida) | 4,517.21 mi (7,269.75 km) |
| Castricum to Apple Valley (California) | 5,479.66 mi (8,818.66 km) |
| Castricum to Apple Valley (Minnesota) | 4,146.74 mi (6,673.53 km) |
| Castricum to Appleton (Wisconsin) | 4,002.21 mi (6,440.93 km) |
| Castricum to Arbutus (Maryland) | 3,803.05 mi (6,120.42 km) |
| Castricum to Arcadia (California) | 5,527.92 mi (8,896.33 km) |
| Castricum to Arcata (California) | 5,293.22 mi (8,518.61 km) |
