kansai airport to Higashi Umeda

1) Would like to know what is the easiest/economical way to get from Kansai airport to Higashi Umeda.

2) How far is JR Tennoji station from Tennoji Subway?

3) How far is Nankai Namba station from Nankai subway?

Thanks

Would like to know what is the easiest/economical way to get from Kansai airport to Higashi Umeda.

Higashi Umeda is next to Osaka Station:
http://www.japan-guide.com/e/e2033.html

How far is JR Tennoji station from Tennoji Subway?

Very close:
http://www.mapion.co.jp/c/f?uc=1&grp=all&nl=34/38/37.051&el=...

How far is Nankai Namba station from Nankai subway?

You have to walk a little bit. It also depends on the subway line. See map at the bottom of the following page:
http://www.japan-guide.com/e/e4001.html