USA Border States Quiz
States sharing international boundaries (10 questions).
USA Border States Quiz: Quick Study Notes
The United States shares extensive land and water borders with two nations: Canada to the north and Mexico to the south. These boundaries span diverse landscapes, from vast wilderness to bustling urban areas, and play a crucial role in trade, migration, and international relations. Understanding which states share these international lines is fundamental to grasping North American geography.
Key Border Facts
The U.S. shares a 5,525-mile border with Canada, the longest international border in the world. 13 states border Canada.
The U.S.-Mexico border stretches for 1,954 miles. Four states share this boundary.
Several Great Lakes states, notably Michigan, have significant water and land borders with Canada, influencing trade and ecosystems.
Alaska alone accounts for nearly half of the U.S. land border with Canada. Hawaii has no international land borders.
Key Takeaways
- The U.S. shares land borders with Canada (to the north) and Mexico (to the south).
- Thirteen states border Canada, making it the most extensive international border for the U.S.
- Four states—California, Arizona, New Mexico, and Texas—share a land border with Mexico.
- Alaska has the longest single state land border with Canada, covering approximately 1,538 miles.
- Michigan is a unique state, bordering Canada via both land and substantial Great Lakes waterways.
- No U.S. state borders both Canada and Mexico directly.
- These border regions are crucial for economic exchange, tourism, and diplomatic relations.
Frequently Asked Questions
Which US states border Canada?
The thirteen US states that border Canada are Alaska, Idaho, Maine, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Ohio (water), Pennsylvania (water), Vermont, and Washington.
Which US states border Mexico?
The four US states that border Mexico are California, Arizona, New Mexico, and Texas.
What is the longest international land border shared by the US?
The longest international land border is with Canada, stretching over 5,525 miles, including the Alaska border.
Does Hawaii share an international land border?
No, Hawaii is an island state and does not share any international land borders with other countries.
Which state borders Canada, but not any other US state?
Alaska is the only US state that borders Canada but does not share a land border with any other US state.

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