All this can be found at
http://www.renfaire.com/Sites/
There are plenty and just looking at the ones I personally wouldn't mind driving too.
Let me know what route you take for your buisness ^^
Massachusetts Faires & Festivals
Festival of the Lion - Grafton (Aug)
First Parish of Newbury Renaissance Faire - Newbury (May)
Higgins Faire - Worcester (Jun)
King Richards Faire - Carver (Sep - Oct)
Salem Pirate Faire - Salem (Sep)
The Silver Kingdom's Renaissance Festival - Charlton (Jun)
Vermont Renaissance Festival - Greenfield (Jul)
New Jersey Faires & Festivals
Lakewood Lions Charity Renaissance Faire - Lakewood (Sep)
Mystic Realms Fantasy Faire - Berlin (May)
New Jersey Medieval and Fantasy Festival - Long Valley (Jun)
New Jersey Pirate Festival and Kingdom - Somerset (Jun)
That Medieval Thing (TMT) - Madison (Apr)
West Windsor Lions Renaissance Faire - West Windsor (May)
New Hampshire Faires & Festivals
New Hampshire Renaissance Faire and Samhain Celebration - Kingston (Oct)
Twelfth Night Renaissance Faire - Chocorua (Aug
New York Faires & Festivals
Bill Johnston Pirate Days - Alexandria Bay (Aug)
Catskill Mountains Renaissance Faire - Cairo (Aug)
Hawk Creek Wildlife and Renaissance Festival - East Aurora (Jul)
Hudson Valley Mayfaire - New Paltz (May)
Kingston Renaissance Faire - New Paltz (May)
Medieval Festival at Fort Tryon Park - New York (Oct)
New York Renaissance Faire - Tuxedo Park (Aug - Sep)
Sands Point Faire - Port Washington ()
Sterling Renaissance Festival - Sterling (Jul - Aug)
Pennsylvania Faires & Festivals
Fairie Festival at Spoutwood Farm - Glen Rock (May)
Kutztown Renaissance Faire - Kutztown (May)
Medieval Majesty's Renaissance Faire - Linden (Jun - Jul)
Midsummer Renaissance Faire - Lehighton (Jun)
Pennsylvania Renaissance Faire - Manheim (Aug - Oct)
The Village Renaissance Faire - Wrightstown (Sep)
Western Pennsylvania Fairie Festival - Slippery Rock (Jun)