The calculated distance (air line) between Playter Estates-Danforth and Oshawa is approximately 29 miles respectively 47 kilometers.
By car or train, the actual journey to Oshawa is certainly longer, as only the direct route (as the crow flies) between Playter Estates-Danforth and Oshawa has been calculated here.
Air line (approximately)
47 kilometers
26 nautical miles