| San Gregorio di Catania to Hilliard (Ohio) | 4,992.07 mi (8,033.96 km) |
| San Gregorio di Catania to Hillsboro (Oregon) | 6,131.10 mi (9,867.05 km) |
| San Gregorio di Catania to Hillsborough (California) | 6,580.98 mi (10,591.06 km) |
| San Gregorio di Catania to Hillsborough (New Jersey) | 4,596.02 mi (7,396.58 km) |
| San Gregorio di Catania to Hilo (Hawaii) | 8,429.84 mi (13,566.52 km) |
| San Gregorio di Catania to Hilton Head Island (South Carolina) | 5,192.61 mi (8,356.70 km) |
| San Gregorio di Catania to Hinesville (Georgia) | 5,248.44 mi (8,446.55 km) |
| San Gregorio di Catania to Hinsdale (Illinois) | 5,123.69 mi (8,245.79 km) |
| San Gregorio di Catania to Hobart (Indiana) | 5,108.30 mi (8,221.02 km) |
| San Gregorio di Catania to Hobbs (New Mexico) | 6,164.00 mi (9,920.00 km) |
| San Gregorio di Catania to Hobe Sound (Florida) | 5,369.53 mi (8,641.43 km) |
| San Gregorio di Catania to Hoboken (New Jersey) | 4,559.44 mi (7,337.71 km) |
| San Gregorio di Catania to Hockessin (Delaware) | 4,668.24 mi (7,512.81 km) |
| San Gregorio di Catania to Hoffman Estates (Illinois) | 5,121.89 mi (8,242.88 km) |
| San Gregorio di Catania to Holbrook (New York) | 4,514.16 mi (7,264.84 km) |
