The best distance education courses can vary depending on your interests, career goals, and the reputation of the institution offering the courses. However, here are some popular and reputable options across different fields:

1. Business and Management: Distance MBA programs offered by prestigious universities are highly regarded. Look for courses accredited by recognized bodies.

2. Computer Science and IT: Online courses in programming languages, data science, web development, and cybersecurity are popular choices.

3. Healthcare: Distance courses in nursing, healthcare management, public health, and medical coding are in demand.

4. Education: Distance education degrees in education, instructional design, and educational technology are common choices for educators.

5. Engineering: Some institutions offer distance engineering courses in fields like electrical, mechanical, and civil engineering.

6. Language Learning: There are numerous online language courses available for learning foreign languages.

7. Graphic Design and Multimedia: Distance courses in graphic design, animation, and multimedia can enhance your creative skills.

8. Environmental Science: Look for distance courses related to environmental management, sustainability, and conservation.

9. Finance and Accounting: Distance courses in finance, accounting, and financial planning can be valuable for professionals in the finance sector.

10. Personal Development: There are various self-improvement and personal development courses available online, covering topics like time management, communication skills, and leadership.

Always ensure that the distance education courses you choose are from reputable institutions, and check for any accreditation or recognition by relevant authorities. Additionally, consider your own learning preferences and time commitment before enrolling in any course.