The calculated distance (air line) between East Wittering and Stoke-on-Trent is approximately 164 miles respectively 264 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 East Wittering and Stoke-on-Trent has been calculated here.
Air line (approximately)
264 kilometers
143 nautical miles