The calculated distance (air line) between Brookhaven-Amesbury and Mississauga is approximately 12 miles respectively 19 kilometers.
By car or train, the actual journey to Mississauga is certainly longer, as only the direct route (as the crow flies) between Brookhaven-Amesbury and Mississauga has been calculated here.
Air line (approximately)
19 kilometers
11 nautical miles