| Castleford to Robertsville (New Jersey) | 3,395.60 mi (5,464.69 km) |
| Castleford to Robinson (Texas) | 4,718.50 mi (7,593.70 km) |
| Castleford to Robstown (Texas) | 4,935.98 mi (7,943.69 km) |
| Castleford to Rochester (Michigan) | 3,627.01 mi (5,837.12 km) |
| Castleford to Rochester (Minnesota) | 3,904.51 mi (6,283.70 km) |
| Castleford to Rochester (New Hampshire) | 3,133.28 mi (5,042.53 km) |
| Castleford to Rochester (New York) | 3,396.38 mi (5,465.94 km) |
| Castleford to Rochester Hills (Michigan) | 3,629.41 mi (5,840.98 km) |
| Castleford to Rock Hill (South Carolina) | 3,919.18 mi (6,307.32 km) |
| Castleford to Rock Island (Illinois) | 3,961.11 mi (6,374.79 km) |
| Castleford to Rock Springs (Wyoming) | 4,592.06 mi (7,390.21 km) |
| Castleford to Rockford (Illinois) | 3,867.25 mi (6,223.74 km) |
| Castleford to Rockledge (Florida) | 4,243.55 mi (6,829.34 km) |
| Castleford to Rocklin (California) | 5,114.07 mi (8,230.31 km) |
| Castleford to Rockport (Texas) | 4,900.60 mi (7,886.75 km) |
