The calculated distance (air line) between Montigny-le-Tilleul and La Louvière is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to La Louvière is certainly longer, as only the direct route (as the crow flies) between Montigny-le-Tilleul and La Louvière has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles