| Portage to Greenfield (California) | 1,935.19 mi (3,114.39 km) |
| Portage to Greenfield (Indiana) | 166.53 mi (268.01 km) |
| Portage to Greenfield (Wisconsin) | 133.64 mi (215.07 km) |
| Portage to Greenlawn (New York) | 638.50 mi (1,027.57 km) |
| Portage to Greensboro (North Carolina) | 522.46 mi (840.82 km) |
| Portage to Greensburg (Indiana) | 196.85 mi (316.79 km) |
| Portage to Greensburg (Pennsylvania) | 339.98 mi (547.15 km) |
| Portage to Greentree (New Jersey) | 575.77 mi (926.62 km) |
| Portage to Greenville (Mississippi) | 677.74 mi (1,090.72 km) |
| Portage to Greenville (North Carolina) | 634.56 mi (1,021.22 km) |
| Portage to Greenville (Ohio) | 153.33 mi (246.76 km) |
| Portage to Greenville (South Carolina) | 537.78 mi (865.48 km) |
| Portage to Greenville (Texas) | 850.37 mi (1,368.54 km) |
| Portage to Greenwood (Indiana) | 181.53 mi (292.14 km) |
| Portage to Greenwood (Mississippi) | 650.50 mi (1,046.87 km) |
