The calculated distance (air line) between Jemeppe-sur-Sambre and Etterbeek is approximately 28 miles respectively 45 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-Sambre and Etterbeek has been calculated here.
Air line (approximately)
45 kilometers
24 nautical miles