The calculated distance (air line) between Dovercourt-Wallace Emerson-Junction and Oshawa is approximately 34 miles respectively 54 kilometers.
By car or train, the actual journey to Oshawa is certainly longer, as only the direct route (as the crow flies) between Dovercourt-Wallace Emerson-Junction and Oshawa has been calculated here.
Air line (approximately)
54 kilometers
29 nautical miles