The calculated distance (air line) between Saurimo and Cuango-Luzamba is approximately 164 miles respectively 264 kilometers.
By car or train, the actual journey to Cuango-Luzamba is certainly longer, as only the direct route (as the crow flies) between Saurimo and Cuango-Luzamba has been calculated here.
Air line (approximately)
264 kilometers
142 nautical miles