DO NOT USE MAPQUEST

Go to www.google.com and type in Dublin School, NH and you will see a good map, just note that New Harrisville Road is now named Dublin Road.  
Google map of Dublin School

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From Boston: Route 93N or 128S to Route 3 North. Cross into New Hampshire and take exit 8 which marks the Monadnock Region and Route 101A. Continue on 101A to Route 101 West towards Keene and Peterborough. Pass through Peterborough and another 8 miles to Dublin, then take your first right after Yankee Magazine onto Dublin Road. The School is the third driveway on your left.*

From Connecticut and Western Massachusetts: Route 91 to Exit 28A, marked Northfield/Bernardston and Route 10 North to Keene. In Keene, turn right on Route 101 East and continue 13 miles to Dublin. Take a left after the Dublin School sign onto Dublin Road and follow signs to the Admission Office.*

* The Admission Office is located in the red School House in the center of campus.

Approximate mileage and driving times to Dublin:
From Manchester, NH; 44 miles, 1 hour
From Boston, MA, Logan International Airport; 90 miles, 2 hours
From Bradley International Airport; 108 miles, 2 hours
From Hartford, CT; 116 miles, 2 hours

Traveling to Dublin by air is best accomplished by flying to Manchester (NH), Logan International (Boston, MA), or Bradley International (Hartford, CT), and then renting a car.