The calculated distance (air line) between Hollogne-aux-Pierres and Schaerbeek is approximately 50 miles respectively 81 kilometers.
By car or train, the actual journey to Schaerbeek is certainly longer, as only the direct route (as the crow flies) between Hollogne-aux-Pierres and Schaerbeek has been calculated here.
Air line (approximately)
81 kilometers
44 nautical miles