Assam GK Topic

Which State Shares The Longest Boundary With Assam?

Meghalaya shares the longest boundary with Assam, with a total border length of approximately 884.9 km. This makes Meghalaya the most connected neighboring state of Assam in terms of shared land boundaries. The Assam-Meghalaya border plays a vital role in regional trade, transportation, administration, and cultural exchange between the two northeastern states.
Which State Shares The Longest Boundary With Assam? illustration

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Detailed Notes

The second-longest boundary of Assam is with Arunachal Pradesh, which stretches for about 804.1 km along Assam's northern frontier. Assam also shares long borders with Nagaland (512.1 km) and Manipur (204.1 km), strengthening its central position within Northeast India.

In addition, Assam shares boundaries with Mizoram (164.6 km), West Bengal (127 km), and Tripura (46.3 km). These borders collectively make Assam the only Indian state that shares boundaries with seven northeastern states, along with two countries, Bhutan and Bangladesh, earning it the title of the gateway to Northeast India.

Because of its extensive inter-state connectivity, Assam plays a major role in economic integration, transportation networks, and cultural interaction across the entire northeastern region.

Main Content Highlights

  • State with longest boundary with Assam: Meghalaya (884.9 km)

  • Second-longest boundary: Arunachal Pradesh (804.1 km)

  • Other bordering states: Nagaland, Manipur, Mizoram, West Bengal, Tripura

  • Total northeastern states bordering Assam: Seven

  • International neighbors: Bhutan and Bangladesh