The calculated distance (air line) between Villeneuve-Loubet and Montpellier is approximately 162 miles respectively 261 kilometers.
By car or train, the actual journey to Montpellier is certainly longer, as only the direct route (as the crow flies) between Villeneuve-Loubet and Montpellier has been calculated here.
Air line (approximately)
261 kilometers
141 nautical miles