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.
The driving distance between Boston, MA and Washington, DC is approximately 440 miles. The driving time would be approximately 8 hours if you were to travel non-stop in good d â¦ riving conditions.hare to: 1  Information on Washington DC Washington DC is the capital of the United States, and is full of life and tourist attractions. 2  Turning Can't Into Can: Traveling to Europe on a Budget There are ways to travel to Europe without breaking the bank.