The calculated distance (air line) between Ottawa and Notre-Dame-de-Grâce is approximately 101 miles respectively 163 kilometers.
By car or train, the actual journey to Notre-Dame-de-Grâce is certainly longer, as only the direct route (as the crow flies) between Ottawa and Notre-Dame-de-Grâce has been calculated here.
Air line (approximately)
163 kilometers
88 nautical miles