The calculated distance (air line) between Quarto Oggiaro and Busto Arsizio is approximately 16 miles respectively 25 kilometers.
By car or train, the actual journey to Busto Arsizio is certainly longer, as only the direct route (as the crow flies) between Quarto Oggiaro and Busto Arsizio has been calculated here.
Air line (approximately)
25 kilometers
14 nautical miles