The calculated distance (air line) between Vaux-sous-Chèvremont and Aalst is approximately 74 miles respectively 118 kilometers.
By car or train, the actual journey to Aalst is certainly longer, as only the direct route (as the crow flies) between Vaux-sous-Chèvremont and Aalst has been calculated here.
Air line (approximately)
118 kilometers
64 nautical miles