| Grenada to Reidsville (North Carolina) | 599.74 mi (965.19 km) |
| Grenada to Reisterstown (Maryland) | 819.39 mi (1,318.68 km) |
| Grenada to Rendon (Texas) | 437.06 mi (703.38 km) |
| Grenada to Reno (Nevada) | 1,703.11 mi (2,740.89 km) |
| Grenada to Renton (Washington) | 1,923.82 mi (3,096.09 km) |
| Grenada to Republic (Missouri) | 309.42 mi (497.97 km) |
| Grenada to Reston (Virginia) | 779.16 mi (1,253.94 km) |
| Grenada to Revere (Massachusetts) | 1,180.16 mi (1,899.28 km) |
| Grenada to Rexburg (Idaho) | 1,365.48 mi (2,197.53 km) |
| Grenada to Reynoldsburg (Ohio) | 576.38 mi (927.59 km) |
| Grenada to Rialto (California) | 1,575.86 mi (2,536.11 km) |
| Grenada to Richardson (Texas) | 401.74 mi (646.54 km) |
| Grenada to Richfield (Minnesota) | 788.47 mi (1,268.93 km) |
| Grenada to Richfield (Wisconsin) | 658.79 mi (1,060.21 km) |
| Grenada to Richland (Washington) | 1,768.02 mi (2,845.35 km) |
