| Castricum to Allouez (Wisconsin) | 3,979.99 mi (6,405.17 km) |
| Castricum to Aloha (Oregon) | 4,985.45 mi (8,023.31 km) |
| Castricum to Alpena (Michigan) | 3,787.09 mi (6,094.74 km) |
| Castricum to Alpharetta (Georgia) | 4,352.58 mi (7,004.81 km) |
| Castricum to Alpine (California) | 5,565.39 mi (8,956.63 km) |
| Castricum to Alpine (Utah) | 4,973.92 mi (8,004.75 km) |
| Castricum to Alsip (Illinois) | 4,105.45 mi (6,607.08 km) |
| Castricum to Altadena (California) | 5,527.35 mi (8,895.42 km) |
| Castricum to Altamont (Oregon) | 5,152.61 mi (8,292.33 km) |
| Castricum to Altamonte Springs (Florida) | 4,513.75 mi (7,264.18 km) |
| Castricum to Alton (Illinois) | 4,331.39 mi (6,970.70 km) |
| Castricum to Alton (Texas) | 5,302.98 mi (8,534.33 km) |
| Castricum to Altoona (Iowa) | 4,311.82 mi (6,939.21 km) |
| Castricum to Altoona (Pennsylvania) | 3,810.27 mi (6,132.04 km) |
| Castricum to Altus (Oklahoma) | 4,884.24 mi (7,860.42 km) |
