The calculated distance (air line) between Mohale's Hoek and Phuthaditjhaba is approximately 138 miles respectively 223 kilometers.
By car or train, the actual journey to Phuthaditjhaba is certainly longer, as only the direct route (as the crow flies) between Mohale's Hoek and Phuthaditjhaba has been calculated here.
Air line (approximately)
223 kilometers
120 nautical miles