| Castel Gandolfo to Portage (Michigan) | 4,726.42 mi (7,606.44 km) |
| Castel Gandolfo to Portage (Wisconsin) | 4,823.00 mi (7,761.86 km) |
| Castel Gandolfo to Portales (New Mexico) | 5,808.52 mi (9,347.91 km) |
| Castel Gandolfo to Porterville (California) | 6,254.50 mi (10,065.64 km) |
| Castel Gandolfo to Portland (Maine) | 4,024.26 mi (6,476.43 km) |
| Castel Gandolfo to Portland (Oregon) | 5,806.98 mi (9,345.44 km) |
| Castel Gandolfo to Portland (Tennessee) | 5,006.41 mi (8,057.05 km) |
| Castel Gandolfo to Portland (Texas) | 5,876.74 mi (9,457.70 km) |
| Castel Gandolfo to Portsmouth (New Hampshire) | 4,067.78 mi (6,546.46 km) |
| Castel Gandolfo to Portsmouth (Ohio) | 4,760.26 mi (7,660.90 km) |
| Castel Gandolfo to Portsmouth (Virginia) | 4,547.53 mi (7,318.54 km) |
| Castel Gandolfo to Post Falls (Idaho) | 5,530.99 mi (8,901.28 km) |
| Castel Gandolfo to Potomac (Maryland) | 4,499.39 mi (7,241.07 km) |
| Castel Gandolfo to Potomac Park (California) | 6,292.53 mi (10,126.86 km) |
| Castel Gandolfo to Pottstown (Pennsylvania) | 4,383.20 mi (7,054.08 km) |
