The calculated distance (air line) between Balaruc-les-Bains and Gignac is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Gignac is certainly longer, as only the direct route (as the crow flies) between Balaruc-les-Bains and Gignac has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles