The calculated distance (air line) between Chastre-Villeroux-Blanmont and La Louvière is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to La Louvière is certainly longer, as only the direct route (as the crow flies) between Chastre-Villeroux-Blanmont and La Louvière has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles