The calculated distance (air line) between Agincourt South-Malvern West and Oshawa is approximately 22 miles respectively 36 kilometers.
By car or train, the actual journey to Oshawa is certainly longer, as only the direct route (as the crow flies) between Agincourt South-Malvern West and Oshawa has been calculated here.
Air line (approximately)
36 kilometers
19 nautical miles