| Castel Gandolfo to Haverhill (Massachusetts) | 4,090.62 mi (6,583.21 km) |
| Castel Gandolfo to Havre de Grace (Maryland) | 4,430.90 mi (7,130.85 km) |
| Castel Gandolfo to Hawaiian Gardens (California) | 6,351.66 mi (10,222.01 km) |
| Castel Gandolfo to Hawaiian Paradise Park (Hawaii) | 8,125.96 mi (13,077.47 km) |
| Castel Gandolfo to Hawthorne (California) | 6,355.75 mi (10,228.60 km) |
| Castel Gandolfo to Hawthorne (New Jersey) | 4,291.21 mi (6,906.03 km) |
| Castel Gandolfo to Hayden (Idaho) | 5,524.73 mi (8,891.19 km) |
| Castel Gandolfo to Hayesville (Oregon) | 5,848.05 mi (9,411.52 km) |
| Castel Gandolfo to Hays (Kansas) | 5,418.69 mi (8,720.54 km) |
| Castel Gandolfo to Haysville (Kansas) | 5,406.64 mi (8,701.15 km) |
| Castel Gandolfo to Hayward (California) | 6,255.04 mi (10,066.51 km) |
| Castel Gandolfo to Hazel Crest (Illinois) | 4,838.15 mi (7,786.25 km) |
| Castel Gandolfo to Hazel Dell (Washington) | 5,798.75 mi (9,332.18 km) |
| Castel Gandolfo to Hazel Park (Michigan) | 4,613.60 mi (7,424.86 km) |
| Castel Gandolfo to Hazelwood (Missouri) | 5,070.45 mi (8,160.10 km) |
