| Castleford to Rockville (Maryland) | 3,566.50 mi (5,739.73 km) |
| Castleford to Rockville Centre (New York) | 3,354.92 mi (5,399.22 km) |
| Castleford to Rockwall (Texas) | 4,614.97 mi (7,427.08 km) |
| Castleford to Rocky Mount (North Carolina) | 3,741.31 mi (6,021.05 km) |
| Castleford to Rocky Point (New York) | 3,314.92 mi (5,334.86 km) |
| Castleford to Rocky River (Ohio) | 3,636.02 mi (5,851.60 km) |
| Castleford to Roessleville (New York) | 3,269.80 mi (5,262.23 km) |
| Castleford to Rogers (Arkansas) | 4,352.21 mi (7,004.20 km) |
| Castleford to Rogers (Minnesota) | 3,886.01 mi (6,253.93 km) |
| Castleford to Rohnert Park (California) | 5,182.35 mi (8,340.19 km) |
| Castleford to Rolla (Missouri) | 4,180.32 mi (6,727.58 km) |
| Castleford to Rolling Meadows (Illinois) | 3,838.15 mi (6,176.90 km) |
| Castleford to Roma (Texas) | 5,061.60 mi (8,145.85 km) |
| Castleford to Rome (Georgia) | 4,116.17 mi (6,624.33 km) |
| Castleford to Rome (New York) | 3,312.07 mi (5,330.27 km) |
