The calculated distance (air line) between Bonn and Sint-Gillis-bij-Dendermonde is approximately 132 miles respectively 212 kilometers.
By car or train, the actual journey to Sint-Gillis-bij-Dendermonde is certainly longer, as only the direct route (as the crow flies) between Bonn and Sint-Gillis-bij-Dendermonde has been calculated here.
Air line (approximately)
212 kilometers
114 nautical miles