| Castel Gandolfo to Indianola (Iowa) | 5,080.00 mi (8,175.47 km) |
| Castel Gandolfo to Indio (California) | 6,296.56 mi (10,133.33 km) |
| Castel Gandolfo to Inglewood (California) | 6,353.26 mi (10,224.58 km) |
| Castel Gandolfo to Inkster (Michigan) | 4,629.41 mi (7,450.31 km) |
| Castel Gandolfo to Inver Grove Heights (Minnesota) | 4,903.48 mi (7,891.39 km) |
| Castel Gandolfo to Inwood (New York) | 4,285.72 mi (6,897.20 km) |
| Castel Gandolfo to Iona (Florida) | 5,244.32 mi (8,439.91 km) |
| Castel Gandolfo to Ionia (Michigan) | 4,672.98 mi (7,520.43 km) |
| Castel Gandolfo to Iowa City (Iowa) | 4,987.36 mi (8,026.38 km) |
| Castel Gandolfo to Irmo (South Carolina) | 4,879.25 mi (7,852.40 km) |
| Castel Gandolfo to Irondale (Alabama) | 5,147.19 mi (8,283.60 km) |
| Castel Gandolfo to Ironton (Ohio) | 4,758.07 mi (7,657.37 km) |
| Castel Gandolfo to Irvine (California) | 6,350.64 mi (10,220.37 km) |
| Castel Gandolfo to Irving (Texas) | 5,619.15 mi (9,043.14 km) |
| Castel Gandolfo to Isabela (Puerto Rico) | 4,853.07 mi (7,810.26 km) |
