The calculated distance (air line) between Chalon-sur-Saône and Marne La Vallée is approximately 175 miles respectively 282 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 Chalon-sur-Saône and Marne La Vallée has been calculated here.
Air line (approximately)
282 kilometers
152 nautical miles