| Castricum to Ashwaubenon (Wisconsin) | 3,981.86 mi (6,408.19 km) |
| Castricum to Aspen Hill (Maryland) | 3,825.43 mi (6,156.43 km) |
| Castricum to Astoria (Oregon) | 4,966.67 mi (7,993.08 km) |
| Castricum to Atascadero (California) | 5,524.75 mi (8,891.23 km) |
| Castricum to Atascocita (Texas) | 4,985.36 mi (8,023.16 km) |
| Castricum to Atchison (Kansas) | 4,477.06 mi (7,205.13 km) |
| Castricum to Athens (Alabama) | 4,420.04 mi (7,113.37 km) |
| Castricum to Athens (Georgia) | 4,323.19 mi (6,957.50 km) |
| Castricum to Athens (Ohio) | 4,008.62 mi (6,451.25 km) |
| Castricum to Athens (Tennessee) | 4,295.62 mi (6,913.14 km) |
| Castricum to Athens (Texas) | 4,889.83 mi (7,869.43 km) |
| Castricum to Atlanta (Georgia) | 4,373.93 mi (7,039.16 km) |
| Castricum to Atlantic Beach (Florida) | 4,428.59 mi (7,127.13 km) |
| Castricum to Atlantic City (New Jersey) | 3,708.38 mi (5,968.06 km) |
| Castricum to Attleboro (Massachusetts) | 3,467.84 mi (5,580.95 km) |
