Q. What is the longest National Highway in Odisha?
Answer: NH-53
Notes: The longest National Highway in Odisha is NH 53. It connects  Bargarh, Sambalpur, Deogarh, Kanniah, Talcher, Kamakhyanagar, Sukinda, Dubri, Chandhikhol and Paradip Port in the State of Odisha and is of 524.53 kilometers.

This question is part of Odisha General Studies MCQ Series Course on GKToday Android app.