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.
Travel considerations for a journey between Boston and Ipswich. By Road: If you were in a road vehicle maintaining an average speed of 40mph (64 kmh), it would take you approximately 2.47 hours to travel from Boston to Ipswich for an estimated driving distance of 98.82 miles (159 kms) .lick here and use the Boston radius tool. The approx distance between Boston and Ipswich in a straight line is 81 miles or 130.33 KMS See the maps and links below for additional information related to driving distances, fuel costs and estimated journey times for this trip from Boston to Ipswich.