The Most Similar States to the West

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

The Latin American Country Most Similar to the South Pacific

1. Nicaragua, 2. Honduras, 3. El Salvador, 4. Panama, 5. Guatemala

The Northeastern State Most Similar to the West

1. Pennsylvania, 2. Maine, 3. Vermont, 4. Maryland, 5. New Hampshire

The Midwestern State Most Similar to the West

1. Kansas, 2. South Dakota, 3. Nebraska, 4. Missouri, 5. Wisconsin

The Southern State Most Similar to the West

1. Oklahoma, 2. Texas, 3. Kentucky, 4. Arkansas, 5. North Carolina

Similar States with Extremely Different Geography

These states a lot in common, except for their geography

Variance in Transportation Infrastructure by US State

Explanation of the transportation infrastructure factors used in the State Similarity Index