| Porsgrunn to Pittsburg (Kansas) | 4,502.69 mi (7,246.38 km) |
| Porsgrunn to Pittsburgh (Pennsylvania) | 3,871.05 mi (6,229.85 km) |
| Porsgrunn to Pittsfield (Massachusetts) | 3,542.61 mi (5,701.29 km) |
| Porsgrunn to Placentia (California) | 5,345.92 mi (8,603.43 km) |
| Porsgrunn to Placerville (California) | 5,107.92 mi (8,220.41 km) |
| Porsgrunn to Plainfield (Illinois) | 4,067.25 mi (6,545.60 km) |
| Porsgrunn to Plainfield (Indiana) | 4,116.76 mi (6,625.28 km) |
| Porsgrunn to Plainfield (New Jersey) | 3,678.10 mi (5,919.32 km) |
| Porsgrunn to Plainview (New York) | 3,637.62 mi (5,854.18 km) |
| Porsgrunn to Plainview (Texas) | 4,899.14 mi (7,884.40 km) |
| Porsgrunn to Plano (Illinois) | 4,073.50 mi (6,555.67 km) |
| Porsgrunn to Plano (Texas) | 4,819.15 mi (7,755.67 km) |
| Porsgrunn to Plant City (Florida) | 4,638.34 mi (7,464.69 km) |
| Porsgrunn to Plantation (Florida) | 4,683.27 mi (7,537.00 km) |
| Porsgrunn to Platteville (Wisconsin) | 4,073.55 mi (6,555.75 km) |
