The calculated distance (air line) between Reitz and Phuthaditjhaba is approximately 55 miles respectively 89 kilometers.
By car or train, the actual journey to Phuthaditjhaba is certainly longer, as only the direct route (as the crow flies) between Reitz and Phuthaditjhaba has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles