| Castel Gandolfo to Jacksonville (Texas) | 5,591.09 mi (8,997.99 km) |
| Castel Gandolfo to Jacksonville Beach (Florida) | 5,053.05 mi (8,132.10 km) |
| Castel Gandolfo to James Island (South Carolina) | 4,879.99 mi (7,853.58 km) |
| Castel Gandolfo to Jamestown (New York) | 4,466.95 mi (7,188.85 km) |
| Castel Gandolfo to Jamestown (North Dakota) | 5,009.35 mi (8,061.77 km) |
| Castel Gandolfo to Janesville (Wisconsin) | 4,842.81 mi (7,793.75 km) |
| Castel Gandolfo to Jasmine Estates (Florida) | 5,199.99 mi (8,368.58 km) |
| Castel Gandolfo to Jasper (Alabama) | 5,160.26 mi (8,304.63 km) |
| Castel Gandolfo to Jasper (Indiana) | 4,945.26 mi (7,958.63 km) |
| Castel Gandolfo to Jefferson (Georgia) | 4,985.68 mi (8,023.67 km) |
| Castel Gandolfo to Jefferson (Louisiana) | 5,464.70 mi (8,794.58 km) |
| Castel Gandolfo to Jefferson City (Missouri) | 5,153.27 mi (8,293.38 km) |
| Castel Gandolfo to Jefferson Hills (Pennsylvania) | 4,567.99 mi (7,351.46 km) |
| Castel Gandolfo to Jefferson Valley-Yorktown (New York) | 4,262.18 mi (6,859.31 km) |
| Castel Gandolfo to Jeffersontown (Kentucky) | 4,895.59 mi (7,878.70 km) |
