| Porsgrunn to New Britain (Connecticut) | 3,567.46 mi (5,741.27 km) |
| Porsgrunn to New Brunswick (New Jersey) | 3,685.91 mi (5,931.91 km) |
| Porsgrunn to New Carrollton (Maryland) | 3,848.90 mi (6,194.21 km) |
| Porsgrunn to New Cassel (New York) | 3,641.91 mi (5,861.09 km) |
| Porsgrunn to New Castle (Indiana) | 4,072.72 mi (6,554.41 km) |
| Porsgrunn to New Castle (Pennsylvania) | 3,852.90 mi (6,200.65 km) |
| Porsgrunn to New City (New York) | 3,635.30 mi (5,850.45 km) |
| Porsgrunn to New Franklin (Ohio) | 3,895.19 mi (6,268.71 km) |
| Porsgrunn to New Haven (Connecticut) | 3,591.29 mi (5,779.63 km) |
| Porsgrunn to New Haven (Indiana) | 3,998.15 mi (6,434.40 km) |
| Porsgrunn to New Hope (Minnesota) | 4,030.12 mi (6,485.85 km) |
| Porsgrunn to New Hyde Park (New York) | 3,647.45 mi (5,870.00 km) |
| Porsgrunn to New Iberia (Louisiana) | 4,843.72 mi (7,795.21 km) |
| Porsgrunn to New Kensington (Pennsylvania) | 3,856.62 mi (6,206.64 km) |
| Porsgrunn to New Kingman-Butler (Arizona) | 5,165.56 mi (8,313.17 km) |
