Zurich Airport (Kloten) is Switzerland's main international hub, 11 km north of the city centre. Trains run every 10–15 minutes to the main station (Hauptbahnhof / HB) and take about 10 minutes; tickets from the machines on the platform. The same station is Switzerland's biggest rail hub, with hourly connections to the rest of the country and direct international trains to Munich, Milan, Paris, Vienna, and Frankfurt. Long-distance buses (Flixbus and others) serve the Sihlquai bus station, a short walk from the main station.