The calculated distance (air line) between Walhain-Saint-Paul and Schaerbeek is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Schaerbeek is certainly longer, as only the direct route (as the crow flies) between Walhain-Saint-Paul and Schaerbeek has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles