Border Geography of the United States Quiz
Borders with Canada & Mexico (10 questions).
Border Geography of the United States Quiz: Quick Study Notes
The United States shares vast international boundaries with Canada to the north and Mexico to the south. Spanning diverse terrains from the Rio Grande to the 49th parallel, these borders define the political geography of North America.
Key Takeaways
- Alaska shares the longest border with Canada of any U.S. state.
- Texas shares the longest border with Mexico (approx. 1,241 miles).
- California has the shortest international border with Mexico (approx. 140 miles).
- 13 U.S. states border Canada; 4 U.S. states border Mexico.
- Lake Michigan is the only Great Lake completely within the U.S.
Frequently Asked Questions
How many U.S. states border Mexico?
Four states border Mexico: California, Arizona, New Mexico, and Texas.
What is the longest border between two countries?
The Canada-United States border is the longest international border in the world.
Does Pennsylvania border Canada?
Yes, Pennsylvania shares a water boundary with Canada through Lake Erie, though it has no land crossings.
Which state borders the most Canadian provinces?
Montana borders three Canadian provinces: British Columbia, Alberta, and Saskatchewan.
What cities form the largest border metroplex?
San Diego (California) and Tijuana (Baja California) form the largest transborder agglomeration.
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