The calculated distance (air line) between Thaon-les-Vosges and Reims is approximately 129 miles respectively 208 kilometers.
By car or train, the actual journey to Reims is certainly longer, as only the direct route (as the crow flies) between Thaon-les-Vosges and Reims has been calculated here.
Air line (approximately)
208 kilometers
112 nautical miles