| Porsgrunn to St. George (Utah) | 5,042.74 mi (8,115.51 km) |
| Porsgrunn to St. Helens (Oregon) | 4,700.02 mi (7,563.96 km) |
| Porsgrunn to St. James (New York) | 3,621.92 mi (5,828.92 km) |
| Porsgrunn to St. John (Indiana) | 4,053.86 mi (6,524.06 km) |
| Porsgrunn to St. Joseph (Missouri) | 4,371.13 mi (7,034.66 km) |
| Porsgrunn to St. Louis (Missouri) | 4,297.01 mi (6,915.36 km) |
| Porsgrunn to St. Louis Park (Minnesota) | 4,034.45 mi (6,492.82 km) |
| Porsgrunn to St. Marys (Georgia) | 4,463.10 mi (7,182.67 km) |
| Porsgrunn to St. Marys (Pennsylvania) | 3,769.14 mi (6,065.84 km) |
| Porsgrunn to St. Matthews (Kentucky) | 4,174.19 mi (6,717.72 km) |
| Porsgrunn to St. Michael (Minnesota) | 4,029.68 mi (6,485.15 km) |
| Porsgrunn to St. Paul (Minnesota) | 4,027.00 mi (6,480.83 km) |
| Porsgrunn to St. Peter (Minnesota) | 4,086.43 mi (6,576.48 km) |
| Porsgrunn to St. Peters (Missouri) | 4,299.81 mi (6,919.87 km) |
| Porsgrunn to St. Petersburg (Florida) | 4,669.53 mi (7,514.89 km) |
