| Grenada to Ridgeland (Mississippi) | 95.81 mi (154.19 km) |
| Grenada to Ridgewood (New Jersey) | 993.03 mi (1,598.12 km) |
| Grenada to Rifle (Colorado) | 1,069.54 mi (1,721.25 km) |
| Grenada to Rincon (Georgia) | 507.18 mi (816.22 km) |
| Grenada to Ringwood (New Jersey) | 989.08 mi (1,591.77 km) |
| Grenada to Río Grande (Puerto Rico) | 1,821.19 mi (2,930.91 km) |
| Grenada to Rio Grande City (Texas) | 742.02 mi (1,194.17 km) |
| Grenada to Rio Linda (California) | 1,785.78 mi (2,873.93 km) |
| Grenada to Rio Rancho (New Mexico) | 965.50 mi (1,553.83 km) |
| Grenada to Rio Rico (Arizona) | 1,239.91 mi (1,995.44 km) |
| Grenada to Ripon (California) | 1,768.67 mi (2,846.39 km) |
| Grenada to River Edge (New Jersey) | 994.93 mi (1,601.18 km) |
| Grenada to River Falls (Wisconsin) | 779.98 mi (1,255.26 km) |
| Grenada to River Forest (Illinois) | 570.99 mi (918.92 km) |
| Grenada to River Grove (Illinois) | 572.78 mi (921.81 km) |
