| Similarity | Rank | |
|---|---|---|
| Southeastern | 0.845 | 25667 |
| Northeastern | 0.844 | 29057 |
| Southwest | 0.842 | 10236 |
| Southern | 0.837 | 3264 |
| Northwest | 0.824 | 8842 |
| Northwestern | 0.777 | 17186 |
| Northeast | 0.774 | 12099 |
| Intermountain | 0.763 | 83096 |
| Carolina | 0.754 | 3337 |
| Carolinas | 0.753 | 40152 |
| Midwestern | 0.749 | 35128 |
| Southeast | 0.747 | 10027 |
| Midwest | 0.741 | 11791 |
| Eastern | 0.740 | 4040 |
| Appalachian | 0.740 | 22149 |
| Upstate | 0.739 | 42294 |
| Kansas | 0.739 | 5225 |
| Piedmont | 0.738 | 30246 |
| Panhandle | 0.738 | 48803 |
| Arkansas | 0.736 | 9250 |
| Texas | 0.735 | 1719 |
| Nebraska | 0.732 | 10274 |
| Carbondale | 0.730 | 82533 |
| Oklahoma | 0.730 | 6683 |
| Oregon | 0.729 | 4801 |