The calculated distance (air line) between Cabbagetown-South St.James Town and Oshawa is approximately 30 miles respectively 49 kilometers.
By car or train, the actual journey to Oshawa is certainly longer, as only the direct route (as the crow flies) between Cabbagetown-South St.James Town and Oshawa has been calculated here.
Air line (approximately)
49 kilometers
26 nautical miles