The calculated distance (air line) between Combs-la-Ville and Marne La Vallée is approximately 12 miles respectively 20 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 Combs-la-Ville and Marne La Vallée has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles