| San Gregorio di Catania to Hicksville (New York) | 4,535.91 mi (7,299.84 km) |
| San Gregorio di Catania to Hidalgo (Texas) | 6,273.60 mi (10,096.38 km) |
| San Gregorio di Catania to High Point (North Carolina) | 5,007.38 mi (8,058.60 km) |
| San Gregorio di Catania to Highland (California) | 6,613.38 mi (10,643.21 km) |
| San Gregorio di Catania to Highland (Illinois) | 5,324.71 mi (8,569.30 km) |
| San Gregorio di Catania to Highland (Indiana) | 5,114.64 mi (8,231.21 km) |
| San Gregorio di Catania to Highland (Utah) | 6,087.79 mi (9,797.35 km) |
| San Gregorio di Catania to Highland City (Florida) | 5,418.74 mi (8,720.62 km) |
| San Gregorio di Catania to Highland Park (Illinois) | 5,103.17 mi (8,212.76 km) |
| San Gregorio di Catania to Highland Park (New Jersey) | 4,586.06 mi (7,380.56 km) |
| San Gregorio di Catania to Highland Springs (Virginia) | 4,824.91 mi (7,764.94 km) |
| San Gregorio di Catania to Highland Village (Texas) | 5,892.73 mi (9,483.44 km) |
| San Gregorio di Catania to Highlands Ranch (Colorado) | 5,894.54 mi (9,486.35 km) |
| San Gregorio di Catania to Hillcrest (California) | 6,601.20 mi (10,623.61 km) |
| San Gregorio di Catania to Hillcrest Heights (Maryland) | 4,760.84 mi (7,661.84 km) |
