The calculated distance (air line) between Mûrs-Erigné and Marne La Vallée is approximately 178 miles respectively 286 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 Mûrs-Erigné and Marne La Vallée has been calculated here.
Air line (approximately)
286 kilometers
154 nautical miles