The calculated distance (air line) between Mayāng Imphāl and Hāflong is approximately 67 miles respectively 107 kilometers.
By car or train, the actual journey to Hāflong is certainly longer, as only the direct route (as the crow flies) between Mayāng Imphāl and Hāflong has been calculated here.
Air line (approximately)
107 kilometers
58 nautical miles