The calculated distance (air line) between Stoke-on-Trent and Walsall is approximately 30 miles respectively 49 kilometers.
By car or train, the actual journey to Walsall is certainly longer, as only the direct route (as the crow flies) between Stoke-on-Trent and Walsall has been calculated here.
Air line (approximately)
49 kilometers
26 nautical miles