Short-haul aircraft are prohibited in France if railroads are available.
Source: https://edition.cnn.com/travel/article/france-bans-short-domestic-flights-climate/index.html
Author: Saskya Vandoorne
The EU required that the affected air route must have a high-speed train option that allows passengers to reach both cities in less than 2.5 hours in order for the ban to be effective. Additionally, there must be enough early and late trains to allow passengers to arrive at their destination for at least eight hours.
“This is an essential step and a strong symbol in the policy of reducing greenhouse gas emissions,” Beaune said in a statement.
“As we fight relentlessly to decarbonize our lifestyles, how can we justify the use of the plane between the big cities which benefit from regular, fast and efficient connections by train,” he added.
Only three routes have been discontinued: those linking Paris-Orly airport to the cities of Bordeaux, Nantes and Lyon. Connecting flights will be unaffected.