The calculated distance (air line) between Petit-Couronne and Marne La Vallée is approximately 83 miles respectively 133 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 Petit-Couronne and Marne La Vallée has been calculated here.
Air line (approximately)
133 kilometers
72 nautical miles