San Miguel de Allende does not have a commercial airport. If you're flying in, the practical choices are Querétaro Intercontinental Airport (QRO) at about 75 minutes / 45 miles (72 km) away by car, or Guanajuato International Airport (BJX) at about 90 minutes / 59 miles (94 km) away. That detail catches many first-time visitors off guard, especially buyers and luxury travelers who are used to...