The calculated distance (air line) between Le Mesnil-Esnard and Marne La Vallée is approximately 79 miles respectively 126 kilometers.
By car or train, the actual journey to Marne La Vallée is certainly longer, as only the direct route (as the crow flies) between Le Mesnil-Esnard and Marne La Vallée has been calculated here.
Air line (approximately)
126 kilometers
68 nautical miles