The calculated distance (air line) between Entraigues-sur-la-Sorgue and Nice is approximately 118 miles respectively 191 kilometers.
By car or train, the actual journey to Nice is certainly longer, as only the direct route (as the crow flies) between Entraigues-sur-la-Sorgue and Nice has been calculated here.
Air line (approximately)
191 kilometers
103 nautical miles