Seven states in total share a border with Assam in India. Those who are from Assam and have visited at least once in their lifetime would pretty much agree that Assam is no doubt the most beautiful state to visit in the entire country. It’s super green, biodiversity is at its best, the weather is just perfect, the culture is what hooks you, and the people are just too nice and welcoming. There certainly are more than a dozen reasons to visit this state, and if you have started your research beforehand, you know, before you pay a visit, that when you must have felt the need to actually learn about How Many States With Assam Share A Border? Right? So, let’s just get on with that for now.

1. Arunachal Pradesh
Starting from the northern side, well, sure enough, we must talk about Arunachal Pradesh as the number one on the list, and a very good reason for that has been given. What exactly? Oh, first of all, the state is the biggest one bordering Assam, you know, with the length of the boundary between the two being approximately 804 kilometers in total. The transition from Arunachal to Assam is a pretty stunning one, as this state, situated north of Assam, naturally separates the two states by means of mountains, woods, and rivers. It’s just a thing or journey to experience, at least once in a lifetime. These borders significantly affect the climate, the movement of the rivers, and the interaction between different cultures of the hills and the plains.
2. Meghalaya
And then comes Meghalaya, which quite literally shares the longest border with Assam (nearly 884 kilometers), and is the second entry on the list. As for how the border stretches and which parts come in between, it goes through the Garo, Khasi, and Jaintia Hills, and this boundary line is one of the most environmentally diverse in the area. So, while planning on visiting this region, you might want to look into this specific part. Since Meghalaya has a direct impact on the south of Assam in terms of landscape, trade, and urban connectivity, we have ranked the state very high on this list for that very reason.
3. Nagaland
Nagaland is third on the list. It shares a border of about 512 kilometers with Assam. If you have been through it, you’ll know that this border runs for the most part along hills and is surrounded by forests. The Assam-Nagaland border is very significant as it links Assam to the remotest parts of the Northeast. Even though the terrain is difficult, the border still facilitates the movement of people and goods and is a major junction of regional transport networks.
4. Manipur
And then, Manipur is ranked fourth on our list, and it has a border with Assam of about 204 kilometers. That’s all. In a way, a bit to the southeast, the border is like a gateway linking the two states. Though we get it, the border is not very long when standing against the others on this list, it is still quite significant as it facilitates trade and connectivity within the Northeast.
5. Mizoram
Next in line is Mizoram, which neighbors Assam for around 164 kilometers straight (well, not literally). You know, this boundary is mostly in southern Assam near the Barak Valley area. And if you know the history part of it all, yes, Mizoram was formerly a part of Assam; besides that, there are administrative and cultural similarities between the two because of this.
6. West Bengal
And then, see, West Bengal ranks sixth, but don’t equate the ranking with the importance. Why? First of all, West Bengal and Assam have a common border of about 127 kilometers that runs through the famous Siliguri Corridor, also known as the “Chicken’s Neck”. This narrow strip is the only land connection between Assam (and the whole Northeast) and the rest of India.
7. Tripura
Alright, so finally, there is Tripura that has the shortest border with Assam, which is only about 46 km. This tiny border piece is located near the Karimganj district. Though despite the short border, it still functions as a good link between Tripura and Assam.