The calculated distance (air line) between Ludweiler-Warndt and Heusweiler is approximately 10 miles respectively 15 kilometers.
By car or train, the actual journey to Heusweiler is certainly longer, as only the direct route (as the crow flies) between Ludweiler-Warndt and Heusweiler has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles