| Porsgrunn to Newport East (Rhode Island) | 3,525.48 mi (5,673.71 km) |
| Porsgrunn to Newport News (Virginia) | 3,938.20 mi (6,337.92 km) |
| Porsgrunn to Newton (Iowa) | 4,208.07 mi (6,772.23 km) |
| Porsgrunn to Newton (Kansas) | 4,545.03 mi (7,314.52 km) |
| Porsgrunn to Newton (Massachusetts) | 3,480.23 mi (5,600.89 km) |
| Porsgrunn to Newton (North Carolina) | 4,175.34 mi (6,719.55 km) |
| Porsgrunn to Niagara Falls (New York) | 3,697.37 mi (5,950.34 km) |
| Porsgrunn to Niceville (Florida) | 4,639.65 mi (7,466.80 km) |
| Porsgrunn to Nicholasville (Kentucky) | 4,159.93 mi (6,694.76 km) |
| Porsgrunn to Niles (Illinois) | 4,031.91 mi (6,488.74 km) |
| Porsgrunn to Niles (Michigan) | 3,994.35 mi (6,428.29 km) |
| Porsgrunn to Niles (Ohio) | 3,855.65 mi (6,205.07 km) |
| Porsgrunn to Nipomo (California) | 5,335.03 mi (8,585.90 km) |
| Porsgrunn to Nixa (Missouri) | 4,481.45 mi (7,212.20 km) |
| Porsgrunn to Noblesville (Indiana) | 4,086.28 mi (6,576.23 km) |
