The calculated distance (air line) between Bonn and Estinnes-au-Val is approximately 133 miles respectively 214 kilometers.
By car or train, the actual journey to Estinnes-au-Val is certainly longer, as only the direct route (as the crow flies) between Bonn and Estinnes-au-Val has been calculated here.
Air line (approximately)
214 kilometers
116 nautical miles