| Castricum to Red Bank (New Jersey) | 3,648.52 mi (5,871.72 km) |
| Castricum to Red Bank (Tennessee) | 4,339.75 mi (6,984.16 km) |
| Castricum to Red Bluff (California) | 5,286.97 mi (8,508.56 km) |
| Castricum to Red Hill (South Carolina) | 4,159.14 mi (6,693.49 km) |
| Castricum to Red Oak (Texas) | 4,908.04 mi (7,898.73 km) |
| Castricum to Red Wing (Minnesota) | 4,134.44 mi (6,653.74 km) |
| Castricum to Redan (Georgia) | 4,365.04 mi (7,024.85 km) |
| Castricum to Redding (California) | 5,266.51 mi (8,475.63 km) |
| Castricum to Redland (Maryland) | 3,825.99 mi (6,157.33 km) |
| Castricum to Redlands (California) | 5,506.93 mi (8,862.54 km) |
| Castricum to Redmond (Oregon) | 5,016.15 mi (8,072.72 km) |
| Castricum to Redmond (Washington) | 4,837.46 mi (7,785.14 km) |
| Castricum to Redondo Beach (California) | 5,554.33 mi (8,938.83 km) |
| Castricum to Redwood City (California) | 5,446.60 mi (8,765.46 km) |
| Castricum to Reedley (California) | 5,423.16 mi (8,727.73 km) |
