High Quality Content by WIKIPEDIA articles! National Highway 39 (NH 39) starts from Numaligarh, Assam and ends at Indo-Myanmar Border. It covers a distance of 436 km (271 mi), of which 115 km (71 mi) is in Assam, 100 km (62 mi) is in Nagaland and 211 km (131 mi) is in Manipur.