The calculated distance (air line) between Berchem-Sainte-Agathe and Gent is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to Gent is certainly longer, as only the direct route (as the crow flies) between Berchem-Sainte-Agathe and Gent has been calculated here.
Air line (approximately)
45 kilometers
25 nautical miles