The calculated distance (air line) between Bochum-Hordel and Vilvoorde is approximately 125 miles respectively 202 kilometers.
By car or train, the actual journey to Vilvoorde is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Vilvoorde has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles