Anyone who was within 500 kilometers of the base would have already come running.

The probe should be within ten kilometers in an hour.

"And let me know when we're within two kilometers of the spot."

"I'm sure your walking computer can work out where you are, but it will never get within ten kilometers of this place."

At her closest, she would pass within 8 million kilometers.

We need to get within about five hundred thousand kilometers.

We'll hole up when we get to within five or six kilometers of the base.

Perhaps nothing, although the last track I saw takes it within 150 kilometers of here.

She passed within a few hundred thousand kilometers of us.

We probably won't know that they're within a million kilometers until they put a beam on us.