The calculated distance (air line) between Jemeppe-sur-Meuse and Etterbeek is approximately 51 miles respectively 82 kilometers.
By car or train, the actual journey to Etterbeek is certainly longer, as only the direct route (as the crow flies) between Jemeppe-sur-Meuse and Etterbeek has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles