| Porsgrunn to Grand Prairie (Texas) | 4,848.80 mi (7,803.38 km) |
| Porsgrunn to Grand Rapids (Michigan) | 3,914.16 mi (6,299.24 km) |
| Porsgrunn to Grand Rapids (Minnesota) | 3,911.82 mi (6,295.46 km) |
| Porsgrunn to Grand Terrace (California) | 5,323.47 mi (8,567.29 km) |
| Porsgrunn to Grandview (Missouri) | 4,412.82 mi (7,101.75 km) |
| Porsgrunn to Grandview (Washington) | 4,617.32 mi (7,430.87 km) |
| Porsgrunn to Grandville (Michigan) | 3,920.62 mi (6,309.64 km) |
| Porsgrunn to Granger (Indiana) | 3,996.21 mi (6,431.28 km) |
| Porsgrunn to Granite Bay (California) | 5,114.22 mi (8,230.54 km) |
| Porsgrunn to Granite City (Illinois) | 4,288.05 mi (6,900.94 km) |
| Porsgrunn to Grants Pass (Oregon) | 4,926.91 mi (7,929.10 km) |
| Porsgrunn to Grantsville (Utah) | 4,798.21 mi (7,721.98 km) |
| Porsgrunn to Grapevine (Texas) | 4,835.86 mi (7,782.56 km) |
| Porsgrunn to Grass Valley (California) | 5,082.33 mi (8,179.22 km) |
| Porsgrunn to Grayslake (Illinois) | 4,021.46 mi (6,471.91 km) |
