1. I spend 15 minutes walking from here to my school.

-> It takes  15 minutes to walk from here to my school.

2. My house is not far from your house

-> It is near from my house to your house

4. My house is about 3 km from the National Library

-> It  is about 3 km from the National Library to my house

5. What is the distance between the board and the first student's desk?

-> How far is it from the board to the first student's desk?