The Southern State Most Similar to the Northeast

1. Virginia, 2. North Carolina, 3. Tennessee, 4. West Virginia, 5. Kentucky

The Western State Most Similar to the South

1. Arizona, 2. Idaho, 3. Wyoming, 4. Montana, 5. Oregon

The Western State Most Similar to the Midwest

1. Montana, 2. Colorado, 3. Wyoming, 4. Idaho, 5. Oregon

The Northeastern State Most Similar to the Midwest

1. Pennsylvania, 2. Maine, 3. Maryland, 4. Delaware, 5. Vermont

The Southern State Most Similar to the Midwest

1. Kentucky, 2. Oklahoma, 3. Tennessee, 4. Arkansas, 5. West Virginia

Variance in Geomorphology by US State

Explanation of the geomorphological data used in the State Similarity Index