The calculated distance (air line) between Petegem-aan-de-Leie and Leuven is approximately 51 miles respectively 82 kilometers.
By car or train, the actual journey to Leuven is certainly longer, as only the direct route (as the crow flies) between Petegem-aan-de-Leie and Leuven has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles