adjective
1
BAD : Singapore is far from London.
GOOD : Singapore is a long way from London.
BAD : 'It's far to the nearest garage,' she said.
GOOD : 'It's a long way to the nearest garage,' she said.
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Far is mainly used in questions and negative sentences: 'How far is it to the station?' 'Oxford isn't far from London.' 'It's not far.'
In affirmative sentences, people usually say a long way : 'Their house is a long way from the town centre.'
Far is used in affirmative sentences only when it appears in phrases such as too far, quite far or far away : 'I suggest you take the bus - it's too far to walk.'
2
BAD : When the bomb exploded, everyone tried to get as far as possible.
GOOD : When the bomb exploded, everyone tried to get as far away as possible.
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A place that is a long distance from another place is far away : 'Her children all live far away, but they still manage to visit her.'
3
BAD : My village is about 10 minutes far away from Ayia Napa.
GOOD : My village is about 10 minutes (away) from Ayia Napa.
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Far cannot be used after a unit of distance. Compare: 'The house is rather far from the school.' (WITHOUT unit of distance) 'The house is about two kilometres (away) from the school.' (WITH unit of distance)