| Porsgrunn to Greenfield (Indiana) | 4,092.45 mi (6,586.16 km) |
| Porsgrunn to Greenfield (Wisconsin) | 3,986.24 mi (6,415.23 km) |
| Porsgrunn to Greenlawn (New York) | 3,629.74 mi (5,841.49 km) |
| Porsgrunn to Greensboro (North Carolina) | 4,104.57 mi (6,605.66 km) |
| Porsgrunn to Greensburg (Indiana) | 4,108.43 mi (6,611.88 km) |
| Porsgrunn to Greensburg (Pennsylvania) | 3,863.94 mi (6,218.41 km) |
| Porsgrunn to Greentree (New Jersey) | 3,734.61 mi (6,010.28 km) |
| Porsgrunn to Greenville (Mississippi) | 4,622.90 mi (7,439.83 km) |
| Porsgrunn to Greenville (North Carolina) | 4,050.16 mi (6,518.11 km) |
| Porsgrunn to Greenville (Ohio) | 4,038.75 mi (6,499.73 km) |
| Porsgrunn to Greenville (South Carolina) | 4,259.08 mi (6,854.33 km) |
| Porsgrunn to Greenville (Texas) | 4,796.09 mi (7,718.56 km) |
| Porsgrunn to Greenwood (Indiana) | 4,113.64 mi (6,620.26 km) |
| Porsgrunn to Greenwood (Mississippi) | 4,588.52 mi (7,384.50 km) |
| Porsgrunn to Greenwood (South Carolina) | 4,288.12 mi (6,901.06 km) |
