| Grammichele to Portage (Michigan) | 5,005.91 mi (8,056.24 km) |
| Grammichele to Portage (Wisconsin) | 5,111.18 mi (8,225.64 km) |
| Grammichele to Portales (New Mexico) | 6,097.67 mi (9,813.25 km) |
| Grammichele to Porterville (California) | 6,569.10 mi (10,571.95 km) |
| Grammichele to Portland (Maine) | 4,286.81 mi (6,898.96 km) |
| Grammichele to Portland (Oregon) | 6,132.12 mi (9,868.70 km) |
| Grammichele to Portland (Tennessee) | 5,272.09 mi (8,484.61 km) |
| Grammichele to Portland (Texas) | 6,140.43 mi (9,882.07 km) |
| Grammichele to Portsmouth (New Hampshire) | 4,328.82 mi (6,966.57 km) |
| Grammichele to Portsmouth (Ohio) | 5,026.05 mi (8,088.64 km) |
| Grammichele to Portsmouth (Virginia) | 4,795.79 mi (7,718.09 km) |
| Grammichele to Post Falls (Idaho) | 5,853.84 mi (9,420.84 km) |
| Grammichele to Potomac (Maryland) | 4,756.43 mi (7,654.73 km) |
| Grammichele to Potomac Park (California) | 6,606.34 mi (10,631.88 km) |
| Grammichele to Pottstown (Pennsylvania) | 4,641.83 mi (7,470.30 km) |
