The calculated distance (air line) between Schweizer-Reneke and Viljoenskroon is approximately 100 miles respectively 160 kilometers.
By car or train, the actual journey to Viljoenskroon is certainly longer, as only the direct route (as the crow flies) between Schweizer-Reneke and Viljoenskroon has been calculated here.
Air line (approximately)
160 kilometers
86 nautical miles