Vim: faster way to select blocks of text in visual mode

G                       Goto line [count], default last line, on the first
                        non-blank character linewise.  If 'startofline' not
                        set, keep the same column.
                        G is a one of jump-motions.

V35G achieves what you want

Vim is a language. To really understand Vim, you have to know the language. Many commands are verbs, and vim also has objects and prepositions.

V100G
V100gg

This means "select the current line up to and including line 100."

Text objects are where a lot of the power is at. They introduce more objects with prepositions.

Vap

This means "select around the current paragraph", that is select the current paragraph and the blank line following it.

V2ap

This means "select around the current paragraph and the next paragraph."

}V-2ap

This means "go to the end of the current paragraph and then visually select it and the preceding paragraph."

Understanding Vim as a language will help you to get the best mileage out of it.

After you have selecting down, then you can combine with other commands:

Vapd

With the above command, you can select around a paragraph and delete it. Change the d to a y to copy or to a c to change or to a p to paste over.

Once you get the hang of how all these commands work together, then you will eventually not need to visually select anything. Instead of visually selecting and then deleting a paragraph, you can just delete the paragraph with the dap command.

v35G will select everything from the cursor up to line 35.

v puts you in select mode, 35 specifies the line number that you want to G go to.

You could also use v} which will select everything up to the beginning of the next paragraph.

In addition to what others have said, you can also expand your selection using pattern searches.

For example, v/foo will select from your current position to the next instance of "foo." If you actually wanted to expand to the next instance of "foo," on line 35, for example, just press n to expand selection to the next instance, and so on.

update

I don't often do it, but I know that some people use marks extensively to make visual selections. For example, if I'm on line 5 and I want to select to line 35, I might press ma to place mark a on line 5, then :35 to move to line 35. Shift + v to enter linewise visual mode, and finally `a to select back to mark a.