The calculated distance (air line) between Ashby-de-la-Zouch and Blaby is approximately 18 miles respectively 28 kilometers.
By car or train, the actual journey to Blaby is certainly longer, as only the direct route (as the crow flies) between Ashby-de-la-Zouch and Blaby has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles