| Castel Gandolfo to Port Chester (New York) | 4,267.88 mi (6,868.49 km) |
| Castel Gandolfo to Port Hueneme (California) | 6,369.04 mi (10,249.98 km) |
| Castel Gandolfo to Port Huron (Michigan) | 4,565.43 mi (7,347.36 km) |
| Castel Gandolfo to Port Lavaca (Texas) | 5,811.24 mi (9,352.29 km) |
| Castel Gandolfo to Port Neches (Texas) | 5,630.06 mi (9,060.70 km) |
| Castel Gandolfo to Port Orange (Florida) | 5,085.72 mi (8,184.67 km) |
| Castel Gandolfo to Port Orchard (Washington) | 5,691.16 mi (9,159.04 km) |
| Castel Gandolfo to Port Royal (South Carolina) | 4,931.17 mi (7,935.96 km) |
| Castel Gandolfo to Port Salerno (Florida) | 5,132.45 mi (8,259.88 km) |
| Castel Gandolfo to Port St. John (Florida) | 5,103.76 mi (8,213.71 km) |
| Castel Gandolfo to Port St. Lucie (Florida) | 5,136.07 mi (8,265.71 km) |
| Castel Gandolfo to Port Washington (New York) | 4,274.85 mi (6,879.71 km) |
| Castel Gandolfo to Port Washington (Wisconsin) | 4,768.15 mi (7,673.60 km) |
| Castel Gandolfo to Port Wentworth (Georgia) | 4,960.80 mi (7,983.64 km) |
| Castel Gandolfo to Portage (Indiana) | 4,816.99 mi (7,752.19 km) |
