International buyers can benefit from sites like Zillow and its alternatives by gaining access to a wide range of properties across the United States from anywhere in the world. These platforms provide comprehensive property details, including photos, videos, and neighborhood information, making it easier for international buyers to research and compare properties remotely. Some platforms also offer tools and resources tailored to the needs of international buyers, such as currency conversion, international mortgage services, and guides on buying property in the U.S., facilitating a smoother buying process.