I did not think they could be heard more than a few feet away.

They couldn't possibly be heard more than a few feet away.

His voice is so low he can barely be heard a few feet away.

The music was very loud and could be heard from a long way away.

The power of the explosion would have been heard at least five miles away, and seen from many more.

To be heard by someone five feet away, I had to shout.

The blast was heard from at least ten miles away.

The sound was not loud enough to be heard more than a dozen feet away.

The sound of the impact was heard 100 km away.

His savage tone could not be heard four feet away.