The calculated distance (air line) between Ga-Rankuwa and Bronkhorstspruit is approximately 48 miles respectively 78 kilometers.
By car or train, the actual journey to Bronkhorstspruit is certainly longer, as only the direct route (as the crow flies) between Ga-Rankuwa and Bronkhorstspruit has been calculated here.
Air line (approximately)
78 kilometers
42 nautical miles