| Porsgrunn to Hicksville (New York) | 3,640.37 mi (5,858.61 km) |
| Porsgrunn to Hidalgo (Texas) | 5,276.95 mi (8,492.44 km) |
| Porsgrunn to High Point (North Carolina) | 4,115.92 mi (6,623.93 km) |
| Porsgrunn to Highland (California) | 5,314.88 mi (8,553.47 km) |
| Porsgrunn to Highland (Illinois) | 4,272.54 mi (6,875.99 km) |
| Porsgrunn to Highland (Indiana) | 4,047.68 mi (6,514.12 km) |
| Porsgrunn to Highland (Utah) | 4,792.97 mi (7,713.55 km) |
| Porsgrunn to Highland City (Florida) | 4,633.03 mi (7,456.14 km) |
| Porsgrunn to Highland Park (Illinois) | 4,023.38 mi (6,475.00 km) |
| Porsgrunn to Highland Park (New Jersey) | 3,684.63 mi (5,929.84 km) |
| Porsgrunn to Highland Springs (Virginia) | 3,940.96 mi (6,342.36 km) |
| Porsgrunn to Highland Village (Texas) | 4,826.32 mi (7,767.21 km) |
| Porsgrunn to Highlands Ranch (Colorado) | 4,670.66 mi (7,516.71 km) |
| Porsgrunn to Hillcrest (California) | 5,277.71 mi (8,493.65 km) |
| Porsgrunn to Hillcrest Heights (Maryland) | 3,858.74 mi (6,210.05 km) |
