The calculated distance (air line) between Mantsonyane and Mohale's Hoek is approximately 64 miles respectively 103 kilometers.
By car or train, the actual journey to Mohale's Hoek is certainly longer, as only the direct route (as the crow flies) between Mantsonyane and Mohale's Hoek has been calculated here.
Air line (approximately)
103 kilometers
55 nautical miles