The calculated distance (air line) between Morlanwelz-Mariemont and Gent is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to Gent is certainly longer, as only the direct route (as the crow flies) between Morlanwelz-Mariemont and Gent has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles