The calculated distance (air line) between Poringland and Stoke-on-Trent is approximately 151 miles respectively 243 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 Poringland and Stoke-on-Trent has been calculated here.
Air line (approximately)
243 kilometers
131 nautical miles