They are so commonly found together that some mistake dyslexia and ADHD for the same thing, but, to be clear, dyslexia and ADHD are two different disorders one to do with attention and behavior and the other specifically to do with reading. Still, the significant overlap (co-morbidity) suggests some related cause.
Non-stop flight time from Boston to Seattle, WA is around 6 hours to 7 hours. Fastest one-stop flight between Boston and Seattle, WA takes close to 8 hours.
Use this distance calculator to find air distance and flight distance from Boston to Montreal or any other city in Canada. The distance show here is the Boston-Montreal distance / Milage. Find distance to other countries and cities from Boston and United States.