The calculated distance (air line) between Gournay-en-Bray and Marne La Vallée is approximately 61 miles respectively 98 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 Gournay-en-Bray and Marne La Vallée has been calculated here.
Air line (approximately)
98 kilometers
53 nautical miles