| Castricum to Monticello (Minnesota) | 4,139.60 mi (6,662.04 km) |
| Castricum to Montrose (Colorado) | 4,964.46 mi (7,989.53 km) |
| Castricum to Moody (Alabama) | 4,463.00 mi (7,182.50 km) |
| Castricum to Moore (Oklahoma) | 4,782.83 mi (7,697.22 km) |
| Castricum to Moorestown-Lenola (New Jersey) | 3,701.44 mi (5,956.89 km) |
| Castricum to Mooresville (North Carolina) | 4,141.84 mi (6,665.64 km) |
| Castricum to Moorhead (Minnesota) | 4,158.88 mi (6,693.07 km) |
| Castricum to Moorpark (California) | 5,543.73 mi (8,921.77 km) |
| Castricum to Moraga (California) | 5,423.33 mi (8,728.01 km) |
| Castricum to Moreno Valley (California) | 5,515.39 mi (8,876.16 km) |
| Castricum to Morgan City (Louisiana) | 4,847.26 mi (7,800.90 km) |
| Castricum to Morgan Hill (California) | 5,452.83 mi (8,775.48 km) |
| Castricum to Morganton (North Carolina) | 4,168.43 mi (6,708.43 km) |
| Castricum to Morgantown (West Virginia) | 3,911.01 mi (6,294.17 km) |
| Castricum to Morris (Illinois) | 4,145.18 mi (6,671.02 km) |
