| Porsgrunn to Greenwood Village (Colorado) | 4,664.73 mi (7,507.16 km) |
| Porsgrunn to Greer (South Carolina) | 4,249.20 mi (6,838.42 km) |
| Porsgrunn to Grenada (Mississippi) | 4,560.74 mi (7,339.81 km) |
| Porsgrunn to Gresham (Oregon) | 4,715.01 mi (7,588.08 km) |
| Porsgrunn to Gretna (Louisiana) | 4,792.30 mi (7,712.46 km) |
| Porsgrunn to Griffin (Georgia) | 4,412.10 mi (7,100.59 km) |
| Porsgrunn to Griffith (Indiana) | 4,047.75 mi (6,514.22 km) |
| Porsgrunn to Grimes (Iowa) | 4,231.34 mi (6,809.69 km) |
| Porsgrunn to Grosse Pointe Park (Michigan) | 3,860.57 mi (6,212.98 km) |
| Porsgrunn to Grosse Pointe Woods (Michigan) | 3,856.52 mi (6,206.46 km) |
| Porsgrunn to Grove City (Ohio) | 4,002.39 mi (6,441.22 km) |
| Porsgrunn to Groveland (Florida) | 4,594.16 mi (7,393.58 km) |
| Porsgrunn to Grover Beach (California) | 5,332.18 mi (8,581.32 km) |
| Porsgrunn to Groves (Texas) | 4,913.81 mi (7,908.02 km) |
| Porsgrunn to Groveton (Virginia) | 3,867.37 mi (6,223.94 km) |
