The calculated distance (air line) between Phuthaditjhaba and Butha-Buthe is approximately 38 miles respectively 62 kilometers.
By car or train, the actual journey to Butha-Buthe is certainly longer, as only the direct route (as the crow flies) between Phuthaditjhaba and Butha-Buthe has been calculated here.
Air line (approximately)
62 kilometers
33 nautical miles