The calculated distance (air line) between Saint-Georges-sur-Meuse and Etterbeek is approximately 45 miles respectively 73 kilometers.
By car or train, the actual journey to Etterbeek is certainly longer, as only the direct route (as the crow flies) between Saint-Georges-sur-Meuse and Etterbeek has been calculated here.
Air line (approximately)
73 kilometers
39 nautical miles