| Porsgrunn to Hanahan (South Carolina) | 4,287.27 mi (6,899.69 km) |
| Porsgrunn to Hanford (California) | 5,234.01 mi (8,423.33 km) |
| Porsgrunn to Hannibal (Missouri) | 4,271.29 mi (6,873.97 km) |
| Porsgrunn to Hanover (Pennsylvania) | 3,806.67 mi (6,126.25 km) |
| Porsgrunn to Hanover Park (Illinois) | 4,044.72 mi (6,509.35 km) |
| Porsgrunn to Happy Valley (Oregon) | 4,720.52 mi (7,596.94 km) |
| Porsgrunn to Harker Heights (Texas) | 4,964.05 mi (7,988.87 km) |
| Porsgrunn to Harlingen (Texas) | 5,254.89 mi (8,456.92 km) |
| Porsgrunn to Harper Woods (Michigan) | 3,857.35 mi (6,207.81 km) |
| Porsgrunn to Harrisburg (North Carolina) | 4,175.47 mi (6,719.76 km) |
| Porsgrunn to Harrisburg (Pennsylvania) | 3,778.42 mi (6,080.79 km) |
| Porsgrunn to Harrison (Arkansas) | 4,522.27 mi (7,277.89 km) |
| Porsgrunn to Harrison (New Jersey) | 3,662.52 mi (5,894.26 km) |
| Porsgrunn to Harrison (New York) | 3,633.12 mi (5,846.95 km) |
| Porsgrunn to Harrison (Ohio) | 4,090.86 mi (6,583.60 km) |
