| Porsgrunn to Homer Glen (Illinois) | 4,059.70 mi (6,533.45 km) |
| Porsgrunn to Homestead (Florida) | 4,727.61 mi (7,608.35 km) |
| Porsgrunn to Homewood (Alabama) | 4,482.49 mi (7,213.87 km) |
| Porsgrunn to Homewood (Illinois) | 4,053.32 mi (6,523.19 km) |
| Porsgrunn to Homosassa Springs (Florida) | 4,606.79 mi (7,413.91 km) |
| Porsgrunn to Honeygo (Maryland) | 3,810.14 mi (6,131.82 km) |
| Porsgrunn to Honolulu (Hawaii) | 6,833.53 mi (10,997.51 km) |
| Porsgrunn to Hoover (Alabama) | 4,487.30 mi (7,221.62 km) |
| Porsgrunn to Hopatcong (New Jersey) | 3,668.21 mi (5,903.41 km) |
| Porsgrunn to Hope Mills (North Carolina) | 4,138.03 mi (6,659.51 km) |
| Porsgrunn to Hopewell (Virginia) | 3,954.19 mi (6,363.65 km) |
| Porsgrunn to Hopkins (Minnesota) | 4,036.90 mi (6,496.76 km) |
| Porsgrunn to Hopkinsville (Kentucky) | 4,312.11 mi (6,939.67 km) |
| Porsgrunn to Horizon City (Texas) | 5,177.57 mi (8,332.49 km) |
| Porsgrunn to Horizon West (Florida) | 4,596.65 mi (7,397.59 km) |
