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 New Hampshire to Boston. Distance from New Hampshire to Boston is 102 kilometers. This air travel distance is equal to 63 miles. The air travel (bird fly) shortest distance between New Hampshire and Boston is 102 km= 63 miles. If you travel with an airplane (which has average speed of 560 miles) from New Hampshire to Boston, It takes 0.11 hours to arrive. New Hampshire.