The calculated distance (air line) between Bloemfontein and Potchefstroom is approximately 175 miles respectively 281 kilometers.
By car or train, the actual journey to Potchefstroom is certainly longer, as only the direct route (as the crow flies) between Bloemfontein and Potchefstroom has been calculated here.
Air line (approximately)
281 kilometers
152 nautical miles