The calculated distance (air line) between Phuthaditjhaba and Mooirivier is approximately 86 miles respectively 138 kilometers.
By car or train, the actual journey to Mooirivier is certainly longer, as only the direct route (as the crow flies) between Phuthaditjhaba and Mooirivier has been calculated here.
Air line (approximately)
138 kilometers
74 nautical miles