The calculated distance (air line) between Stoke-on-Trent and Nuneaton is approximately 45 miles respectively 72 kilometers.
By car or train, the actual journey to Nuneaton is certainly longer, as only the direct route (as the crow flies) between Stoke-on-Trent and Nuneaton has been calculated here.
Air line (approximately)
72 kilometers
39 nautical miles