The carbon footprint of a Paris to Nice Côte d'Azur flight is around 517lb, which may vary slightly based on airline and stops. There is a CO2 sorter on our flight search results to help you select the lowest possible footprint. By train, you could lower your emissions for this trip by about 81%. By bus, this journey’s emissions can be cut to 63lb. This would result in a 88% smaller carbon footprint vs. flying.