| Cobh to Hilliard (Ohio) | 3,523.46 mi (5,670.46 km) |
| Cobh to Hillsboro (Oregon) | 4,672.06 mi (7,518.96 km) |
| Cobh to Hillsborough (California) | 5,096.16 mi (8,201.48 km) |
| Cobh to Hillsborough (New Jersey) | 3,153.42 mi (5,074.94 km) |
| Cobh to Hilo (Hawaii) | 7,103.24 mi (11,431.56 km) |
| Cobh to Hilton Head Island (South Carolina) | 3,785.79 mi (6,092.63 km) |
| Cobh to Hinesville (Georgia) | 3,839.69 mi (6,179.39 km) |
| Cobh to Hinsdale (Illinois) | 3,635.90 mi (5,851.41 km) |
| Cobh to Hobart (Indiana) | 3,622.82 mi (5,830.37 km) |
| Cobh to Hobbs (New Mexico) | 4,670.50 mi (7,516.45 km) |
| Cobh to Hobe Sound (Florida) | 4,010.36 mi (6,454.06 km) |
| Cobh to Hoboken (New Jersey) | 3,117.43 mi (5,017.02 km) |
| Cobh to Hockessin (Delaware) | 3,227.02 mi (5,193.39 km) |
| Cobh to Hoffman Estates (Illinois) | 3,632.82 mi (5,846.45 km) |
| Cobh to Holbrook (New York) | 3,075.47 mi (4,949.49 km) |
