How much does a child need? The NIH says the RDA of riboflavin for infants and children is 0.3 mg for 0-6 months old; 0.4 mg for 7-12 months old; 0.5 mg for 1-3 years old; 0.6 mg for 4-8 years old; and 0.9 mg for 9-13 years old.
The distance between Stafford and Boston in a straight line is 428 miles or 688.65 Kilometers. 1  Driving Directions & Drive Times from Stafford to Boston can be found further down the page. Driving distances, maps and journey times are currently provided by Google mapping systems.
Distance from Montreal, Canada to Boston, MA. The total distance from Montreal, Canada to Boston, MA is 251 miles. This is equivalent to 404 kilometers or 218 nautical miles. Your trip begins in Montreal, Canada. It ends in Boston, Massachusetts. Your flight direction from Montreal, Canada to Boston, MA is Southeast (149 degrees from North). The distance calculator helps you figure out how far it is to fly from Montreal, Canada to Boston, MA.