CDN77 provides relatively cheaper and good CDN service for global market. It covers not only North America and Europe, but also Asian countries like Korea and Hong Kong. If you are considering global content distribution to North America and Euope, CDN77 is a pretty much good option.
Amazon CloudFront versus CDN77
https://www.cdnplanet.com/compare/cloudfront/cdn77/
https://client.cdn77.com/reports/bandwidth