Maastricht Aachen Airport is in Beek, South Limburg, beside the A2 motorway between Maastricht and Sittard. It is a small regional airport known mainly for holiday flights and cargo. For people in Belgian Limburg it is often closer than Brussels Airport. From Genk it is about 28 km, roughly 25 minutes without traffic, and from Liège about 42 km, roughly 35 minutes.
Because the drive is short, an airport taxi is often easier than leaving your car parked for a week. On Offerly you fill in one request with your address, flight, passengers and luggage. Checked transport companies near you send offers. You compare them and choose.
Arriving in Beek and travelling on to Belgium, perhaps to Liège, Hasselt or Leuven? Get a transfer the same way. Requesting and comparing offers is free and without obligation, and you do not need an account to receive them.