| Castricum to Roy (Utah) | 4,942.05 mi (7,953.46 km) |
| Castricum to Royal Kunia (Hawaii) | 7,221.85 mi (11,622.45 km) |
| Castricum to Royal Oak (Michigan) | 3,896.48 mi (6,270.77 km) |
| Castricum to Royal Palm Beach (Florida) | 4,567.12 mi (7,350.07 km) |
| Castricum to Royse City (Texas) | 4,866.45 mi (7,831.79 km) |
| Castricum to Ruskin (Florida) | 4,604.57 mi (7,410.33 km) |
| Castricum to Russellville (Alabama) | 4,464.09 mi (7,184.26 km) |
| Castricum to Russellville (Arkansas) | 4,627.80 mi (7,447.72 km) |
| Castricum to Ruston (Louisiana) | 4,753.00 mi (7,649.22 km) |
| Castricum to Rutherford (New Jersey) | 3,628.45 mi (5,839.43 km) |
| Castricum to Rutland (Vermont) | 3,459.89 mi (5,568.15 km) |
| Castricum to Sabana Grande (Puerto Rico) | 4,465.00 mi (7,185.72 km) |
| Castricum to Sachse (Texas) | 4,876.25 mi (7,847.56 km) |
| Castricum to Saco (Maine) | 3,364.90 mi (5,415.28 km) |
| Castricum to Sacramento (California) | 5,362.27 mi (8,629.74 km) |
