| Grenada to Portage (Michigan) | 625.23 mi (1,006.21 km) |
| Grenada to Portage (Wisconsin) | 675.11 mi (1,086.49 km) |
| Grenada to Portales (New Mexico) | 775.89 mi (1,248.67 km) |
| Grenada to Porterville (California) | 1,656.67 mi (2,666.15 km) |
| Grenada to Portland (Maine) | 1,250.83 mi (2,013.02 km) |
| Grenada to Portland (Oregon) | 1,908.69 mi (3,071.75 km) |
| Grenada to Portland (Tennessee) | 268.67 mi (432.38 km) |
| Grenada to Portland (Texas) | 603.15 mi (970.67 km) |
| Grenada to Portsmouth (New Hampshire) | 1,208.95 mi (1,945.62 km) |
| Grenada to Portsmouth (Ohio) | 513.93 mi (827.09 km) |
| Grenada to Portsmouth (Virginia) | 787.03 mi (1,266.61 km) |
| Grenada to Post Falls (Idaho) | 1,701.48 mi (2,738.26 km) |
| Grenada to Potomac (Maryland) | 788.41 mi (1,268.83 km) |
| Grenada to Potomac Park (California) | 1,656.14 mi (2,665.30 km) |
| Grenada to Pottstown (Pennsylvania) | 898.82 mi (1,446.52 km) |
