The calculated distance (air line) between Semur-en-Auxois and Marne La Vallée is approximately 122 miles respectively 196 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 Semur-en-Auxois and Marne La Vallée has been calculated here.
Air line (approximately)
196 kilometers
106 nautical miles