According to AAMC (the MCAT test maker), there are 1 MCAT test centers in France. Most testing centers are located inside a college or university. You can select a testing location that is nearest to you. Please note that you are able to choose a test center when registering for the MCAT.
PARIS ITTS, FRANCE
ITTS, c/o Domicila Centre d’Affaires
1st Floor, 149 Rue St. Honore
Paris, France 75001