The answer depends on the direction in which you go!
Thoreau's cabin.
Thoreau's cabin was located near Walden Pond in Concord, Massachusetts.
thoreau cabin
6.4 miles
The first two battles of the Revolutionary War were fought in Lexington and Concord, MA.
North Carolina
The battle of Lexington and Concord were actually two different battles. The Battle of Lexington was fought in Lexington and Battle of Concord was fought in Concord. They are in Middlesex count, Massachusetts.
It began in Lexington and Concord of Massachusetts. "shot heard 'round the world"
In Lexington and Concord, Massachusetts. Nobody knows who fired the first shot.
The more famous of the two (thank you Ralph Waldo Emerson) was fired in April 1775 at the Battle of North Bridge, Concord, Massachusetts. The second refers to the assassination of Archduke Ferdinand in Sarajevo, Austria-Hungary, 28 June 1914.
Gastonia, NC is about 40 miles west of Concord, NC. Depending on traffic, it usually takes around 45-60 minutes to drive between the two cities.
It is about 118 miles and two hours and 30 minutes driving.