What is the best way to travel from Amsterdam to Berlin?

Related questions

1. Is it safe to walk in Amsterdam at night?
2. Are places open on Sunday in Amsterdam?
3. Why do stores close early on Sundays?
4. Are drugs legal in Uruguay?
5. Is Dutch a hard language to learn?
6. When should I visit Amsterdam?
7. Why is Dutch so similar to English?
8. What drugs are legal in Mexico?
9. Are drugs legal in Switzerland?
10. Which is the cheapest supermarket in the Netherlands?

Tags

1. #flying
2. #fastest
3. #these
4. #direct
5. #schiphol
6. #tegel
7. #journey
8. #taking
9. #rotterdam
10. #travel
11. #convenient
12. #average
13. #flights
14. #train
15. #cities
16. #leave
17. #between
18. #berlin
19. #hours
20. #either
21. #while
22. #nefeld
23. #amsterdam
24. #airport
25. #airports