The calculated distance (air line) between Kuurne and Lys-lez-Lannoy is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Lys-lez-Lannoy is certainly longer, as only the direct route (as the crow flies) between Kuurne and Lys-lez-Lannoy has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles