Exploring Matamoros, Tamaulipas Airport (MAM-General Servando Canales Intl.) will be simple once you’re behind the wheel of your rental car. But before you hit the tarmac in an unfamiliar place, it’s always handy to have a bit of basic info about the area.Matamoros, Tamaulipas Airport (MAM-General Servando Canales Intl.) is about 37 miles to the southeast from downtown Río Bravo.