The calculated distance (air line) between Vieux Fort and Le Gros-Morne is approximately 68 miles respectively 109 kilometers.
By car or train, the actual journey to Le Gros-Morne is certainly longer, as only the direct route (as the crow flies) between Vieux Fort and Le Gros-Morne has been calculated here.
Air line (approximately)
109 kilometers
59 nautical miles