The calculated distance (air line) between Chastre-Villeroux-Blanmont and Etterbeek is approximately 19 miles respectively 31 kilometers.
By car or train, the actual journey to Etterbeek is certainly longer, as only the direct route (as the crow flies) between Chastre-Villeroux-Blanmont and Etterbeek has been calculated here.
Air line (approximately)
31 kilometers
17 nautical miles