What about these expressions?

[Unregistered Lina]

Hello

Would you help me with the expression of time?

#1 It takes 20 minutes to go to the theater.

I think we can also say #2. (Is it OK?)
#2 It is a twenty-minute walk to go to the theater.

How about #3? Does this make sense?
#3 It is twenty minutes to go to the theater.

Thank you.

[Tdol]

#2- I'd say 'It is a twenty-minute walk to go to the theater'.
#3- I wouldn't say this.