My house is 30 kilometres from the factory
1.the distance from my home to the factory is 30 kilometres.
2.from my home to the factory is 30kilometres far away.
这两种说法都可以，望采纳
My house is 30 kilometres from the factory.
It' s 30 kms away from the factory to my home.
From my house to the factory have thirty kilometers。
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