The calculated distance (air line) between L'Ancienne-Lorette and Longueuil is approximately 134 miles respectively 216 kilometers.
By car or train, the actual journey to Longueuil is certainly longer, as only the direct route (as the crow flies) between L'Ancienne-Lorette and Longueuil has been calculated here.
Air line (approximately)
216 kilometers
117 nautical miles