The calculated distance (air line) between Parkwoods-Donalda and Mississauga is approximately 20 miles respectively 33 kilometers.
By car or train, the actual journey to Mississauga is certainly longer, as only the direct route (as the crow flies) between Parkwoods-Donalda and Mississauga has been calculated here.
Air line (approximately)
33 kilometers
18 nautical miles