The calculated distance (air line) between Saint-Josse-ten-Noode and La Louvière is approximately 27 miles respectively 43 kilometers.
By car or train, the actual journey to La Louvière is certainly longer, as only the direct route (as the crow flies) between Saint-Josse-ten-Noode and La Louvière has been calculated here.
Air line (approximately)
43 kilometers
23 nautical miles