The calculated distance (air line) between L'Ancienne-Lorette and Montréal is approximately 139 miles respectively 224 kilometers.
By car or train, the actual journey to Montréal is certainly longer, as only the direct route (as the crow flies) between L'Ancienne-Lorette and Montréal has been calculated here.
Air line (approximately)
224 kilometers
121 nautical miles