The distance between Castroville and Boston is over 1,700 miles. The most practical way to travel is to drive to San Antonio International Airport (SAT) and take a flight to Logan International Airport (BOS). The flight duration is about 4.5 hours. Driving would take over 26 hours, making flying the only realistic choice for most travelers.
Total Distance: 2,750 km driving distance; 2,400 km straight-line air distance.
Book in advance to secure lower fares.
Late spring or early autumn for the most pleasant weather in Boston.