The calculated distance (air line) between Staplehurst and Stoke-on-Trent is approximately 172 miles respectively 277 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 Staplehurst and Stoke-on-Trent has been calculated here.
Air line (approximately)
277 kilometers
150 nautical miles