The calculated distance (air line) between Balaruc-les-Bains and Vendargues is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Vendargues is certainly longer, as only the direct route (as the crow flies) between Balaruc-les-Bains and Vendargues has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles