The calculated distance (air line) between Clairlea-Birchmount and Mississauga is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Mississauga is certainly longer, as only the direct route (as the crow flies) between Clairlea-Birchmount and Mississauga has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles