![The World on Twitter: "The U.S. / Canada Border is the longest international border in the world and it lacks military defense. http://t.co/3w9rxIvl0I" / Twitter The World on Twitter: "The U.S. / Canada Border is the longest international border in the world and it lacks military defense. http://t.co/3w9rxIvl0I" / Twitter](https://pbs.twimg.com/media/CQyzsVpWwAAIEal.png)
The World on Twitter: "The U.S. / Canada Border is the longest international border in the world and it lacks military defense. http://t.co/3w9rxIvl0I" / Twitter
Testbook.com - The international land border between the United States and Canada is the longest in the world at almost 8,893 kilometers. | Facebook
RankingRoyals - The international land border between the United States and Canada is the longest in the world at almost 8,900 kilometers. It includes the border between Canada and the continental U.S.
![Bryan Druzin on Twitter: "Russia has now shut its entire land border with China - one of the longest borders in the world - in an effort to prevent the spread of Bryan Druzin on Twitter: "Russia has now shut its entire land border with China - one of the longest borders in the world - in an effort to prevent the spread of](https://pbs.twimg.com/media/EPlYHtZVUAEXBiw.jpg)