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.
How long is the drive from Washington, DC to Boston, MA? The total driving time is 7 hours, 11 minutes.Your trip begins in Washington, District of Columbia. It ends in Boston, Massachusetts. If you're planning a road trip, you might be interested in seeing the total driving distance from Washington, DC to Boston, MA.You can also calculate the cost to drive from Washington, DC to Boston, MA based on current local gas prices and an estimate of your car's best gas mileage.f you're planning a road trip, you might be interested in seeing the total driving distance from Washington, DC to Boston, MA. You can also calculate the cost to drive from Washington, DC to Boston, MA based on current local gas prices and an estimate of your car's best gas mileage.