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.