1.

A: How far is it from from Earth to the Sun?

B: It is about 105 million kilometres from Earth to the Sun.

2.

A: How far is it from Hanoi to Hai Phong?

B: It is about 105 km from Hanoi to Hai Phong.

3.

A: How far is it from your house to your school?

B: It is about 800 metres from my house to my school.

4.

A: How far is it from Quy Nhon City to Pleiku City?

B: It is about 170 km from Quy Nhon City to Pleiku City.

5.

A: How far is it from here to Cat Bi Airport?

B: It is about four kilometres from here to Cat Bi Airport.

6.

A: How far is it from Hue to Ho Chi Minh city?

B: It is about1,046 kilometres from Hue to Ho Chi Minh city