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 Massachusetts to Boston. Distance from Massachusetts to Boston is 27 kilometers. This air travel distance is equal to 17 miles. The air travel (bird fly) shortest distance between Massachusetts and Boston is 27 km= 17 miles. If you travel with an airplane (which has average speed of 560 miles) from Massachusetts to Boston, It takes 0.03 hours to arrive.