| Castel Gandolfo to Hicksville (New York) | 4,270.47 mi (6,872.66 km) |
| Castel Gandolfo to Hidalgo (Texas) | 6,004.36 mi (9,663.08 km) |
| Castel Gandolfo to High Point (North Carolina) | 4,745.98 mi (7,637.92 km) |
| Castel Gandolfo to Highland (California) | 6,306.08 mi (10,148.66 km) |
| Castel Gandolfo to Highland (Illinois) | 5,042.90 mi (8,115.76 km) |
| Castel Gandolfo to Highland (Indiana) | 4,829.89 mi (7,772.95 km) |
| Castel Gandolfo to Highland (Utah) | 5,779.94 mi (9,301.92 km) |
| Castel Gandolfo to Highland City (Florida) | 5,176.46 mi (8,330.71 km) |
| Castel Gandolfo to Highland Park (Illinois) | 4,816.74 mi (7,751.80 km) |
| Castel Gandolfo to Highland Park (New Jersey) | 4,320.18 mi (6,952.67 km) |
| Castel Gandolfo to Highland Springs (Virginia) | 4,563.28 mi (7,343.89 km) |
| Castel Gandolfo to Highland Village (Texas) | 5,611.66 mi (9,031.10 km) |
| Castel Gandolfo to Highlands Ranch (Colorado) | 5,593.73 mi (9,002.24 km) |
| Castel Gandolfo to Hillcrest (California) | 6,291.43 mi (10,125.07 km) |
| Castel Gandolfo to Hillcrest Heights (Maryland) | 4,496.16 mi (7,235.87 km) |
