How much farther is it?

还有多远？

《牛津词典》

How much farther do we have to walk?

我们换还要走多远？

youdao

How much farther does this bird have?

那只鸟还有多远？

youdao

But I am mindful of how much farther the American space enterprise must travel to reach the final frontier of space exploration and discover the limits of our own scientific enterprise.

FORBES: NASA, Got Space Exploration? Get Goals, Get Funding and Get Uhura.

How much farther into uncharted territory can they proceed?

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