The calculated distance (air line) between Bielefeld and Sint-Katelijne-Waver is approximately 184 miles respectively 297 kilometers.
By car or train, the actual journey to Sint-Katelijne-Waver is certainly longer, as only the direct route (as the crow flies) between Bielefeld and Sint-Katelijne-Waver has been calculated here.
Air line (approximately)
297 kilometers
160 nautical miles