| Porsgrunn to Pell City (Alabama) | 4,459.21 mi (7,176.40 km) |
| Porsgrunn to Pella (Iowa) | 4,220.96 mi (6,792.99 km) |
| Porsgrunn to Pembroke Pines (Florida) | 4,692.41 mi (7,551.70 km) |
| Porsgrunn to Pendleton (Oregon) | 4,630.08 mi (7,451.39 km) |
| Porsgrunn to Pensacola (Florida) | 4,668.27 mi (7,512.86 km) |
| Porsgrunn to Peoria (Arizona) | 5,213.66 mi (8,390.58 km) |
| Porsgrunn to Peoria (Illinois) | 4,158.32 mi (6,692.17 km) |
| Porsgrunn to Perris (California) | 5,336.43 mi (8,588.16 km) |
| Porsgrunn to Perry (Georgia) | 4,437.74 mi (7,141.85 km) |
| Porsgrunn to Perry Hall (Maryland) | 3,811.72 mi (6,134.38 km) |
| Porsgrunn to Perrysburg (Ohio) | 3,928.93 mi (6,323.01 km) |
| Porsgrunn to Perth Amboy (New Jersey) | 3,678.37 mi (5,919.77 km) |
| Porsgrunn to Peru (Indiana) | 4,048.39 mi (6,515.25 km) |
| Porsgrunn to Petal (Mississippi) | 4,682.58 mi (7,535.89 km) |
| Porsgrunn to Petaluma (California) | 5,178.38 mi (8,333.79 km) |
