Question: how far away is the headquarters of PrivatAir from the city center?

Related documents: [0]  [DOC] Geneva Airport (IATA: GVA, ICAO: LSGG) , formerly and still unofficially known as "Cointrin Airport", is the international airport of Geneva, the second most populous city in Switzerland. It is located 4 km northwest of the city centre. It reached 15 million passengers for the first time in December 2014 and serves as a hub for Swiss International Air Lines, easyJet Switzerland and Etihad Regional. Geneva features a route network of flights mainly to European metropolitan and leisure destinations as well as some long-haul routes to North America, China and the Middle East, amongst them Swiss International Air Lines' only long-haul service (to New York City) outside of Zürich. [END] 
[1]  [DOC] PrivatAir is a Swiss airline operating business jets, headquartered at Geneva Airport in Meyrin. It operates scheduled services for other airlines as well as charter flights for corporations and VIPs. [END]  
Answer: 4 km
4 km