The calculated distance (air line) between Saint-Aubin-lès-Elbeuf and Reims is approximately 136 miles respectively 219 kilometers.
By car or train, the actual journey to Reims is certainly longer, as only the direct route (as the crow flies) between Saint-Aubin-lès-Elbeuf and Reims has been calculated here.
Air line (approximately)
219 kilometers
118 nautical miles