The calculated distance (air line) between Saarbrücken and Sarreguemines is approximately 9 miles respectively 14 kilometers.
By car or train, the actual journey to Sarreguemines is certainly longer, as only the direct route (as the crow flies) between Saarbrücken and Sarreguemines has been calculated here.
Air line (approximately)
14 kilometers
8 nautical miles