The calculated distance (air line) between Ashby-de-la-Zouch and Nottingham is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Nottingham is certainly longer, as only the direct route (as the crow flies) between Ashby-de-la-Zouch and Nottingham has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles