sentences:  Since 2005, a fast Catamaran ship connection has been in service between Friedrichshafen and Konstanz.Friedrichshafen has a local airport called Friedrichshafen Airport which offers, among other services, daily international connections provided mainly by Lufthansa CityLine and Turkish Airlines.The nearest big cities are Konstanz, Ravensburg, Bregenz, St. Gallen, Ulm, Munich, Zürich, and Stuttgart.