The four countries with the largest land mass in the western hemisphere are Canada, United States, Brazil, and Argentina.
North America, Canada, Brazil and Argentina (not in specific order)
top 5 countries: Argentina Brazil Canada China Egypt
Canada North America Brazil Argentina Algeria
From least to Greatest: Argentina; 1,073,514 sq. mi. Brazil; 3,287,597 sq. mi. United States; 3,793,079 sq. mi. Canada; 3,854,085 sq. mi. 1. Canada 2. USA 3. Brazil 4. Argentina
The related WikiAnswers question and Wikipedia link answer this question, assuming that you were referring to area.
Canada, USA, Brazil, Argentina.
Canada USA Brazil Argentina
Canada,the USA, Brazil, Uraguay & Argentina
Brazil, Mexico, Argentina, Venezuela, Columbia, Chile, are some of the largest countries in Latin America.
RussiaCanadaUnited StatesChinaBrazilAustraliaIndiaArgentinaKazakhstanAlgeria
The four countries with the largest land areas in the Western Hemisphere are Canada, the United States, Brazil, and Argentina.