The calculated distance (air line) between Hollogne-aux-Pierres and La Louvière is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to La Louvière is certainly longer, as only the direct route (as the crow flies) between Hollogne-aux-Pierres and La Louvière has been calculated here.
Air line (approximately)
92 kilometers
50 nautical miles