As per http://corpsreps.com/ - August 20, 1981 DCI World Championships Class A and All-Girl Finals ALL GIRL Les Chatelaines Lavel, QUE Arbella Salem, MA St. Ignatius Hicksville NY Ventures Kitchener, ONT St. John's Brantford, ONT CLASS A Southernairs Wilmington, NC Fantasia III Little Falls, NJ Pioneer Milwaukee, WI Dutch Boy Kitchener, ONT Les Etoiles Dorion Vaudreuil L'Acadie, QUE DCI finals? - check. Top 12? - check. 2 corps from same city? - check. Kitchener Ontario - this city is one of the winners of this quiz! Honorable mention? I googled distance between laval and L'Acadie and the search returned 25 KM. I also googled distance between Kitchener and Brantford and the search returned 47 KM. 47 KM is approx. 29 miles and 25 KM is approx. 15 miles and across a big river. The runner up is Les Chatelaines and Les Etoiles Dorion Vaudreuil. Congratulations to all!