The calculated distance (air line) between Clairlea-Birchmount and Kitchener is approximately 65 miles respectively 104 kilometers.
By car or train, the actual journey to Kitchener is certainly longer, as only the direct route (as the crow flies) between Clairlea-Birchmount and Kitchener has been calculated here.
Air line (approximately)
104 kilometers
56 nautical miles