| Porsgrunn to Hilliard (Ohio) | 3,995.89 mi (6,430.76 km) |
| Porsgrunn to Hillsboro (Oregon) | 4,723.19 mi (7,601.25 km) |
| Porsgrunn to Hillsborough (California) | 5,216.15 mi (8,394.59 km) |
| Porsgrunn to Hillsborough (New Jersey) | 3,691.78 mi (5,941.35 km) |
| Porsgrunn to Hilo (Hawaii) | 6,923.82 mi (11,142.81 km) |
| Porsgrunn to Hilton Head Island (South Carolina) | 4,354.18 mi (7,007.37 km) |
| Porsgrunn to Hinesville (Georgia) | 4,403.87 mi (7,087.34 km) |
| Porsgrunn to Hinsdale (Illinois) | 4,048.11 mi (6,514.80 km) |
| Porsgrunn to Hobart (Indiana) | 4,043.84 mi (6,507.94 km) |
| Porsgrunn to Hobbs (New Mexico) | 5,028.08 mi (8,091.92 km) |
| Porsgrunn to Hobe Sound (Florida) | 4,624.80 mi (7,442.90 km) |
| Porsgrunn to Hoboken (New Jersey) | 3,658.23 mi (5,887.35 km) |
| Porsgrunn to Hockessin (Delaware) | 3,764.86 mi (6,058.96 km) |
| Porsgrunn to Hoffman Estates (Illinois) | 4,040.23 mi (6,502.12 km) |
| Porsgrunn to Holbrook (New York) | 3,623.49 mi (5,831.44 km) |
