The calculated distance (air line) between Tembisa and Phuthaditjhaba is approximately 178 miles respectively 287 kilometers.
By car or train, the actual journey to Phuthaditjhaba is certainly longer, as only the direct route (as the crow flies) between Tembisa and Phuthaditjhaba has been calculated here.
Air line (approximately)
287 kilometers
155 nautical miles