| Castel Gandolfo to Jeffersonville (Indiana) | 4,895.49 mi (7,878.53 km) |
| Castel Gandolfo to Jenison (Michigan) | 4,706.36 mi (7,574.15 km) |
| Castel Gandolfo to Jenks (Oklahoma) | 5,427.05 mi (8,733.99 km) |
| Castel Gandolfo to Jennings (Missouri) | 5,068.47 mi (8,156.91 km) |
| Castel Gandolfo to Jensen Beach (Florida) | 5,130.70 mi (8,257.06 km) |
| Castel Gandolfo to Jericho (New York) | 4,270.35 mi (6,872.46 km) |
| Castel Gandolfo to Jerome (Idaho) | 5,740.09 mi (9,237.78 km) |
| Castel Gandolfo to Jersey City (New Jersey) | 4,296.18 mi (6,914.03 km) |
| Castel Gandolfo to Jessup (Maryland) | 4,475.69 mi (7,202.93 km) |
| Castel Gandolfo to Johns Creek (Georgia) | 5,016.92 mi (8,073.95 km) |
| Castel Gandolfo to Johnson City (New York) | 4,326.23 mi (6,962.39 km) |
| Castel Gandolfo to Johnson City (Tennessee) | 4,837.26 mi (7,784.81 km) |
| Castel Gandolfo to Johnston (Iowa) | 5,071.04 mi (8,161.06 km) |
| Castel Gandolfo to Johnstown (Colorado) | 5,551.48 mi (8,934.25 km) |
| Castel Gandolfo to Johnstown (Pennsylvania) | 4,523.00 mi (7,279.07 km) |
