The calculated distance (air line) between Hénin-Beaumont and Marne La Vallée is approximately 110 miles respectively 177 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 Hénin-Beaumont and Marne La Vallée has been calculated here.
Air line (approximately)
177 kilometers
95 nautical miles