Think about using a search engine: the newest results are sometimes the most useful. Using an engine with advanced search by date when looking for distance learning courses will reveal the most up to date pages. The top-rated engines give you in addition a 'pages like this' option to reveal other relevant web resources of all kinds.
Distance Learning Courses online pages are always different. When searching, you have to arrive at the most useful distance learning courses online pages and not waste time with the rest. When any part of the site you are visiting fails to load correctly or it all seems like just an extended sales letter you should hit the ‘Go Back’ key.
When a distance learning courses site appears to exist and is listed by a search engine, but the link goes nowhere - you still have options. When this happens, you can use the cache feature of the listings to get to the page you need as it was at the time of the last crawl by the search engine.
When you are trying to find distance learning courses online you could also look at a web directory service with selected and categorized links in which quality sites only are included. Some time back such directories were common, but now they are under-used as searching is easier.
For more on Distance Learning, go here.