The calculated distance (air line) between Épinay-sous-Sénart and Reims is approximately 79 miles respectively 128 kilometers.
By car or train, the actual journey to Reims is certainly longer, as only the direct route (as the crow flies) between Épinay-sous-Sénart and Reims has been calculated here.
Air line (approximately)
128 kilometers
69 nautical miles