The calculated distance (air line) between Wanfercée-Baulet and Seraing is approximately 41 miles respectively 66 kilometers.
By car or train, the actual journey to Seraing is certainly longer, as only the direct route (as the crow flies) between Wanfercée-Baulet and Seraing has been calculated here.
Air line (approximately)
66 kilometers
35 nautical miles