The calculated distance (air line) between South Ockendon and Stoke-on-Trent is approximately 147 miles respectively 236 kilometers.
By car or train, the actual journey to Stoke-on-Trent is certainly longer, as only the direct route (as the crow flies) between South Ockendon and Stoke-on-Trent has been calculated here.
Air line (approximately)
236 kilometers
128 nautical miles