Thankfully EZY have domestic flights such as BSL-BOD ... remembering that BSL is a 'shared' airport with MLH!
Oh and while we're listing Paris Gare de l'Est to the Grand Est region, these wonderful TGVs and Ouigo trains are plagued by speed restrictions often because of previously derailed rolling stock. Don't believe all you read as to the city-to-city timings in this part of the world.