The calculated distance (air line) between Habay-la-Vieille and Ixelles is approximately 95 miles respectively 152 kilometers.
By car or train, the actual journey to Ixelles is certainly longer, as only the direct route (as the crow flies) between Habay-la-Vieille and Ixelles has been calculated here.
Air line (approximately)
152 kilometers
82 nautical miles