| Porsgrunn to Petersburg (Virginia) | 3,962.08 mi (6,376.34 km) |
| Porsgrunn to Pflugerville (Texas) | 4,998.62 mi (8,044.50 km) |
| Porsgrunn to Pharr (Texas) | 5,271.65 mi (8,483.91 km) |
| Porsgrunn to Phelan (California) | 5,302.93 mi (8,534.24 km) |
| Porsgrunn to Phenix City (Alabama) | 4,481.38 mi (7,212.09 km) |
| Porsgrunn to Philadelphia (Pennsylvania) | 3,734.56 mi (6,010.19 km) |
| Porsgrunn to Phillipsburg (New Jersey) | 3,699.72 mi (5,954.13 km) |
| Porsgrunn to Phoenix (Arizona) | 5,221.32 mi (8,402.90 km) |
| Porsgrunn to Phoenixville (Pennsylvania) | 3,740.58 mi (6,019.88 km) |
| Porsgrunn to Picayune (Mississippi) | 4,743.91 mi (7,634.59 km) |
| Porsgrunn to Pickerington (Ohio) | 3,991.42 mi (6,423.56 km) |
| Porsgrunn to Pico Rivera (California) | 5,344.62 mi (8,601.34 km) |
| Porsgrunn to Piedmont (California) | 5,196.54 mi (8,363.02 km) |
| Porsgrunn to Pierre (South Dakota) | 4,261.15 mi (6,857.65 km) |
| Porsgrunn to Pike Creek Valley (Delaware) | 3,768.36 mi (6,064.60 km) |
