All EU members can get into France. It is also a member of the Schengen agreement that allows countries which have signed the agreement to pass freely between borders. There are a number of visa requirements which may apply to other countries which should be investigated before travel.
1) By Air
Paris Charles de Gaulle is the largest airport in the country and was the 6th busiest airport in the world in 2010. France is well served by 20 main airports including Marseille airport, Nice airport and Toulouse airport, and hundreds of regional airports. The national air carrier is Air France.
2) By Land
France has more than 140 kilometres of excellent roads and hundreds of miles of rail lines. You can cross all the land borders of France by train or car and there is also the Eurostar service which goes under La Manche with St Pancras London as the final destination.
3) By Sea
France has a massive number of ships and ports including Brest, Le Havre and Strasbourg. The most popular route is to Britain by ferry usually leaving from Calais towards Dover.