Walking four miles in an hour is pretty good going for me.

一小时走四英里对我来说是相当不错了。

《牛津词典》

youdao

As a result, planes were kept in a holding pattern, sometimes three or four miles apart, until they were cleared to land.

结果，飞机均被保持在等待航线状态，有时相隔三四英里，直至它们得到降落指示。

《柯林斯英汉双解大词典》

"And in the evening, I usually run or walk for three or four miles a day."

VOA: standard.2010.07.16

They were alone on sixty-four million square miles of ocean.

VOA: special.2011.05.04

After about four miles, the path comes to an abrupt end at the Museum of Science.

BBC: In Boston, leaf peeping by bike

The boys attended high school in the town of Edison, four miles south of Blanchard.

NPR: Edward R. Murrow: Broadcasting History

The volunteers first spy their ship anchored four miles offshore, after a trek through the forest.

BBC: The Ship