| Castricum to Romeoville (Illinois) | 4,120.53 mi (6,631.35 km) |
| Castricum to Romulus (Michigan) | 3,917.84 mi (6,305.16 km) |
| Castricum to Ronkonkoma (New York) | 3,590.57 mi (5,778.46 km) |
| Castricum to Roosevelt (New York) | 3,614.31 mi (5,816.67 km) |
| Castricum to Rosamond (California) | 5,490.00 mi (8,835.30 km) |
| Castricum to Rosaryville (Maryland) | 3,830.72 mi (6,164.95 km) |
| Castricum to Roscoe (Illinois) | 4,114.40 mi (6,621.49 km) |
| Castricum to Rose Hill (Virginia) | 3,840.86 mi (6,181.27 km) |
| Castricum to Roseburg (Oregon) | 5,132.92 mi (8,260.64 km) |
| Castricum to Rosedale (California) | 5,487.97 mi (8,832.04 km) |
| Castricum to Rosedale (Maryland) | 3,791.90 mi (6,102.48 km) |
| Castricum to Roselle (Illinois) | 4,102.92 mi (6,603.02 km) |
| Castricum to Roselle (New Jersey) | 3,642.16 mi (5,861.49 km) |
| Castricum to Roselle Park (New Jersey) | 3,641.85 mi (5,860.99 km) |
| Castricum to Rosemead (California) | 5,533.11 mi (8,904.69 km) |
