The calculated distance (air line) between La Salvetat-Saint-Gilles and Montpellier is approximately 130 miles respectively 210 kilometers.
By car or train, the actual journey to Montpellier is certainly longer, as only the direct route (as the crow flies) between La Salvetat-Saint-Gilles and Montpellier has been calculated here.
Air line (approximately)
210 kilometers
113 nautical miles