The calculated distance (air line) between Mount Olive-Silverstone-Jamestown and Oakville is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Oakville is certainly longer, as only the direct route (as the crow flies) between Mount Olive-Silverstone-Jamestown and Oakville has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles