The calculated distance (air line) between Louvain-la-Neuve and Deurne is approximately 39 miles respectively 62 kilometers.
By car or train, the actual journey to Deurne is certainly longer, as only the direct route (as the crow flies) between Louvain-la-Neuve and Deurne has been calculated here.
Air line (approximately)
62 kilometers
34 nautical miles