The calculated distance (air line) between Sint-Genesius-Rode and Merksem is approximately 35 miles respectively 56 kilometers.
By car or train, the actual journey to Merksem is certainly longer, as only the direct route (as the crow flies) between Sint-Genesius-Rode and Merksem has been calculated here.
Air line (approximately)
56 kilometers
30 nautical miles