| Alcala la Real to Ridgeland (Mississippi) | 4,717.67 mi (7,592.35 km) |
| Alcala la Real to Ridgewood (New Jersey) | 3,661.84 mi (5,893.17 km) |
| Alcala la Real to Rifle (Colorado) | 5,257.10 mi (8,460.49 km) |
| Alcala la Real to Rincon (Georgia) | 4,271.55 mi (6,874.40 km) |
| Alcala la Real to Ringwood (New Jersey) | 3,666.71 mi (5,901.00 km) |
| Alcala la Real to Río Grande (Puerto Rico) | 3,930.36 mi (6,325.31 km) |
| Alcala la Real to Rio Grande City (Texas) | 5,383.34 mi (8,663.66 km) |
| Alcala la Real to Rio Linda (California) | 5,846.87 mi (9,409.63 km) |
| Alcala la Real to Rio Rancho (New Mexico) | 5,389.31 mi (8,673.26 km) |
| Alcala la Real to Rio Rico (Arizona) | 5,746.38 mi (9,247.91 km) |
| Alcala la Real to Ripon (California) | 5,881.09 mi (9,464.71 km) |
| Alcala la Real to River Edge (New Jersey) | 3,659.58 mi (5,889.53 km) |
| Alcala la Real to River Falls (Wisconsin) | 4,407.68 mi (7,093.48 km) |
| Alcala la Real to River Forest (Illinois) | 4,286.72 mi (6,898.81 km) |
| Alcala la Real to River Grove (Illinois) | 4,286.66 mi (6,898.71 km) |
