The calculated distance (air line) between Mayāng Imphāl and Dharmanagar is approximately 110 miles respectively 176 kilometers.
By car or train, the actual journey to Dharmanagar is certainly longer, as only the direct route (as the crow flies) between Mayāng Imphāl and Dharmanagar has been calculated here.
Air line (approximately)
176 kilometers
95 nautical miles