The calculated distance (air line) between Soultz-Haut-Rhin and Metz is approximately 98 miles respectively 157 kilometers.
By car or train, the actual journey to Metz is certainly longer, as only the direct route (as the crow flies) between Soultz-Haut-Rhin and Metz has been calculated here.
Air line (approximately)
157 kilometers
85 nautical miles