| Porsgrunn to Hormigueros (Puerto Rico) | 4,682.20 mi (7,535.27 km) |
| Porsgrunn to Horn Lake (Mississippi) | 4,501.08 mi (7,243.79 km) |
| Porsgrunn to Hot Springs (Arkansas) | 4,621.59 mi (7,437.72 km) |
| Porsgrunn to Hot Springs Village (Arkansas) | 4,609.23 mi (7,417.84 km) |
| Porsgrunn to Houma (Louisiana) | 4,832.67 mi (7,777.44 km) |
| Porsgrunn to Houston (Texas) | 4,969.45 mi (7,997.56 km) |
| Porsgrunn to Howard (Wisconsin) | 3,900.49 mi (6,277.23 km) |
| Porsgrunn to Huber Heights (Ohio) | 4,036.11 mi (6,495.49 km) |
| Porsgrunn to Hudson (Florida) | 4,637.82 mi (7,463.84 km) |
| Porsgrunn to Hudson (Ohio) | 3,874.98 mi (6,236.17 km) |
| Porsgrunn to Hudson (Wisconsin) | 4,015.36 mi (6,462.10 km) |
| Porsgrunn to Hueytown (Alabama) | 4,491.57 mi (7,228.48 km) |
| Porsgrunn to Hugo (Minnesota) | 4,010.59 mi (6,454.42 km) |
| Porsgrunn to Humacao (Puerto Rico) | 4,635.66 mi (7,460.38 km) |
| Porsgrunn to Humble (Texas) | 4,953.46 mi (7,971.82 km) |
