How far apart are Narita and Haneda airports?

Related questions

1. Should I fly to Narita or Haneda?
2. Do I need visa for layover in Japan?
3. Is Uber cheaper than taxi in Tokyo?
4. How many days should I spend in Tokyo?
5. How much is taxi from Narita Airport to Tokyo?
6. Does Haneda Airport have showers?
7. What is the cheapest month to fly to Japan?
8. How do I go from NRT to HND?
9. Are there showers at Tokyo airport?
10. How do I get from HND airport to NRT?

Tags

1. #transfer
2. #miles
3. #express
4. #these
5. #plans
6. #narita
7. #public
8. #between
9. #major
10. #shortest
11. #transportations
12. #keikyu
13. #airports
14. #typical
15. #about
16. #followings
17. #train
18. #kilometers
19. #haneda
20. #shinagawa
21. #distance