How long does it take to get there? (Would you mind telling me...)
Would you mind telling me how long it takes to get there?
Where is the station? (Could you tell me...?)
Could you tell me where the station is?
Was she really starving?
Do you know if she was really starving?
Where are you from? (I'd like to know...)
I'd like to know where you are from.
Can you help your sister? (I was wondering...)
I was wondering if you could help your sister.