| Castleford to Ridgeland (Mississippi) | 4,402.72 mi (7,085.49 km) |
| Castleford to Ridgewood (New Jersey) | 3,359.13 mi (5,406.00 km) |
| Castleford to Rifle (Colorado) | 4,657.55 mi (7,495.60 km) |
| Castleford to Rincon (Georgia) | 4,060.13 mi (6,534.15 km) |
| Castleford to Ringwood (New Jersey) | 3,359.85 mi (5,407.16 km) |
| Castleford to Río Grande (Puerto Rico) | 4,163.45 mi (6,700.43 km) |
| Castleford to Rio Grande City (Texas) | 5,056.55 mi (8,137.73 km) |
| Castleford to Rio Linda (California) | 5,126.63 mi (8,250.51 km) |
| Castleford to Rio Rancho (New Mexico) | 4,854.07 mi (7,811.88 km) |
| Castleford to Rio Rico (Arizona) | 5,211.59 mi (8,387.25 km) |
| Castleford to Ripon (California) | 5,172.98 mi (8,325.11 km) |
| Castleford to River Edge (New Jersey) | 3,358.73 mi (5,405.36 km) |
| Castleford to River Falls (Wisconsin) | 3,868.61 mi (6,225.93 km) |
| Castleford to River Forest (Illinois) | 3,839.24 mi (6,178.66 km) |
| Castleford to River Grove (Illinois) | 3,838.51 mi (6,177.48 km) |
